diff --git a/messages.pot b/messages.pot
index ed1a41d..fabf6cd 100644
--- a/messages.pot
+++ b/messages.pot
@@ -8,7 +8,7 @@ msgid ""
 msgstr ""
 "Project-Id-Version: PROJECT VERSION\n"
 "Report-Msgid-Bugs-To: EMAIL@ADDRESS\n"
-"POT-Creation-Date: 2021-07-22 22:41+0200\n"
+"POT-Creation-Date: 2021-07-25 22:35+0200\n"
 "PO-Revision-Date: YEAR-MO-DA HO:MI+ZONE\n"
 "Last-Translator: FULL NAME <EMAIL@ADDRESS>\n"
 "Language-Team: LANGUAGE <LL@li.org>\n"
@@ -165,24 +165,24 @@ msgstr ""
 msgid "."
 msgstr ""
 
-#: project/forms/admin.py:10 project/templates/layout.html:246
+#: project/forms/admin.py:10 project/templates/layout.html:257
 #: project/views/root.py:42
 msgid "Terms of service"
 msgstr ""
 
-#: project/forms/admin.py:11 project/templates/layout.html:250
+#: project/forms/admin.py:11 project/templates/layout.html:261
 #: project/views/root.py:50
 msgid "Legal notice"
 msgstr ""
 
-#: project/forms/admin.py:12 project/templates/_macros.html:1245
-#: project/templates/layout.html:254
-#: project/templates/widget/event_suggestion/create.html:170
+#: project/forms/admin.py:12 project/templates/_macros.html:1271
+#: project/templates/layout.html:265
+#: project/templates/widget/event_suggestion/create.html:172
 #: project/views/admin_unit.py:36 project/views/root.py:58
 msgid "Contact"
 msgstr ""
 
-#: project/forms/admin.py:13 project/templates/layout.html:258
+#: project/forms/admin.py:13 project/templates/layout.html:269
 #: project/views/root.py:66
 msgid "Privacy"
 msgstr ""
@@ -216,43 +216,43 @@ msgstr ""
 msgid "Update organization"
 msgstr ""
 
-#: project/forms/admin_unit.py:13 project/forms/event.py:33
+#: project/forms/admin_unit.py:14 project/forms/event.py:33
 #: project/forms/event_place.py:12 project/forms/organizer.py:12
 msgid "Street"
 msgstr ""
 
-#: project/forms/admin_unit.py:14 project/forms/event.py:34
+#: project/forms/admin_unit.py:15 project/forms/event.py:34
 #: project/forms/event_place.py:13 project/forms/organizer.py:13
 msgid "Postal code"
 msgstr ""
 
-#: project/forms/admin_unit.py:15 project/forms/event.py:35
+#: project/forms/admin_unit.py:16 project/forms/event.py:35
 #: project/forms/event_place.py:14 project/forms/organizer.py:14
 msgid "City"
 msgstr ""
 
-#: project/forms/admin_unit.py:16 project/forms/event_place.py:15
+#: project/forms/admin_unit.py:17 project/forms/event_place.py:15
 #: project/forms/organizer.py:15
 msgid "State"
 msgstr ""
 
-#: project/forms/admin_unit.py:18 project/forms/event_place.py:17
+#: project/forms/admin_unit.py:19 project/forms/event_place.py:17
 #: project/forms/organizer.py:17
 msgid "Latitude"
 msgstr ""
 
-#: project/forms/admin_unit.py:21 project/forms/event_place.py:20
+#: project/forms/admin_unit.py:22 project/forms/event_place.py:20
 #: project/forms/organizer.py:20
 msgid "Longitude"
 msgstr ""
 
-#: project/forms/admin_unit.py:26 project/forms/event.py:40
+#: project/forms/admin_unit.py:28 project/forms/event.py:40
 #: project/forms/event.py:69 project/forms/event.py:363
 #: project/forms/event_place.py:25 project/forms/event_place.py:50
 #: project/forms/event_suggestion.py:26 project/forms/oauth2_client.py:66
 #: project/forms/organizer.py:25 project/forms/organizer.py:52
 #: project/forms/reference.py:40 project/forms/reference_request.py:22
-#: project/templates/_macros.html:111
+#: project/templates/_macros.html:126
 #: project/templates/admin/admin_units.html:19
 #: project/templates/event_place/list.html:19
 #: project/templates/oauth2_client/list.html:25
@@ -260,69 +260,69 @@ msgstr ""
 msgid "Name"
 msgstr ""
 
-#: project/forms/admin_unit.py:28
+#: project/forms/admin_unit.py:31
 msgid "Short name"
 msgstr ""
 
-#: project/forms/admin_unit.py:29
+#: project/forms/admin_unit.py:32
 msgid "The short name is used to create a unique identifier for your events"
 msgstr ""
 
-#: project/forms/admin_unit.py:36
+#: project/forms/admin_unit.py:40 project/templates/admin_unit/create.html:13
 msgid "Short name must contain only letters numbers or underscore"
 msgstr ""
 
-#: project/forms/admin_unit.py:42 project/forms/event.py:61
+#: project/forms/admin_unit.py:46 project/forms/event.py:61
 #: project/forms/event.py:98 project/forms/event_place.py:26
 #: project/forms/organizer.py:26
 msgid "Link URL"
 msgstr ""
 
-#: project/forms/admin_unit.py:43 project/forms/admin_unit_member.py:11
+#: project/forms/admin_unit.py:47 project/forms/admin_unit_member.py:11
 #: project/forms/admin_unit_member.py:23 project/forms/admin_unit_member.py:28
 #: project/forms/event.py:62 project/forms/event_suggestion.py:38
-#: project/forms/organizer.py:27 project/templates/_macros.html:238
-#: project/templates/_macros.html:1335 project/templates/admin/users.html:19
+#: project/forms/organizer.py:27 project/templates/_macros.html:253
+#: project/templates/_macros.html:1361 project/templates/admin/users.html:19
 msgid "Email"
 msgstr ""
 
-#: project/forms/admin_unit.py:44 project/forms/event.py:63
+#: project/forms/admin_unit.py:48 project/forms/event.py:63
 #: project/forms/event_suggestion.py:31 project/forms/organizer.py:28
-#: project/templates/_macros.html:281
+#: project/templates/_macros.html:296
 msgid "Phone"
 msgstr ""
 
-#: project/forms/admin_unit.py:45 project/forms/event.py:64
-#: project/forms/organizer.py:29 project/templates/_macros.html:289
+#: project/forms/admin_unit.py:49 project/forms/event.py:64
+#: project/forms/organizer.py:29 project/templates/_macros.html:304
 msgid "Fax"
 msgstr ""
 
-#: project/forms/admin_unit.py:46 project/forms/organizer.py:30
+#: project/forms/admin_unit.py:50 project/forms/organizer.py:30
 msgid "Logo"
 msgstr ""
 
-#: project/forms/admin_unit.py:59 project/templates/admin_unit/create.html:11
+#: project/forms/admin_unit.py:63 project/templates/admin_unit/create.html:52
 #: project/templates/manage/admin_units.html:18
 msgid "Create organization"
 msgstr ""
 
-#: project/forms/admin_unit.py:63 project/forms/admin_unit.py:86
+#: project/forms/admin_unit.py:67 project/forms/admin_unit.py:90
 msgid "Update settings"
 msgstr ""
 
-#: project/forms/admin_unit.py:67
+#: project/forms/admin_unit.py:71
 msgid "Font"
 msgstr ""
 
-#: project/forms/admin_unit.py:69
+#: project/forms/admin_unit.py:73
 msgid "Background Color"
 msgstr ""
 
-#: project/forms/admin_unit.py:75
+#: project/forms/admin_unit.py:79
 msgid "Primary Color"
 msgstr ""
 
-#: project/forms/admin_unit.py:81
+#: project/forms/admin_unit.py:85
 msgid "Link Color"
 msgstr ""
 
@@ -490,7 +490,7 @@ msgstr ""
 msgid "Enter a link where tickets can be purchased."
 msgstr ""
 
-#: project/forms/event.py:110 project/templates/_macros.html:220
+#: project/forms/event.py:110 project/templates/_macros.html:235
 msgid "Tags"
 msgstr ""
 
@@ -540,8 +540,8 @@ msgstr ""
 msgid "If the participants needs to register for the event."
 msgstr ""
 
-#: project/forms/event.py:144 project/templates/_macros.html:252
-#: project/templates/layout.html:144
+#: project/forms/event.py:144 project/templates/_macros.html:267
+#: project/templates/layout.html:155
 msgid "Booked up"
 msgstr ""
 
@@ -597,11 +597,11 @@ msgstr ""
 msgid "EventAttendanceMode.offline"
 msgstr ""
 
-#: project/forms/event.py:191 project/templates/layout.html:132
+#: project/forms/event.py:191 project/templates/layout.html:143
 msgid "EventAttendanceMode.online"
 msgstr ""
 
-#: project/forms/event.py:193 project/templates/layout.html:135
+#: project/forms/event.py:193 project/templates/layout.html:146
 msgid "EventAttendanceMode.mixed"
 msgstr ""
 
@@ -610,7 +610,7 @@ msgid "Choose how people can attend the event."
 msgstr ""
 
 #: project/forms/event.py:199 project/forms/event_place.py:27
-#: project/templates/widget/event_suggestion/create.html:217
+#: project/templates/widget/event_suggestion/create.html:219
 msgid "Photo"
 msgstr ""
 
@@ -620,16 +620,16 @@ msgid ""
 " course it works without it."
 msgstr ""
 
-#: project/forms/event.py:211 project/templates/_macros.html:1172
+#: project/forms/event.py:211 project/templates/_macros.html:1184
 msgid "The start must be before the end."
 msgstr ""
 
-#: project/forms/event.py:217 project/templates/_macros.html:1189
+#: project/forms/event.py:217 project/templates/_macros.html:1201
 msgid "An event can last a maximum of 14 days."
 msgstr ""
 
-#: project/forms/event.py:225 project/templates/_macros.html:399
-#: project/templates/_macros.html:558
+#: project/forms/event.py:225 project/templates/_macros.html:414
+#: project/templates/_macros.html:573
 msgid "Previous start date"
 msgstr ""
 
@@ -647,8 +647,8 @@ msgstr ""
 
 #: project/forms/event.py:238 project/forms/reference.py:14
 #: project/forms/reference.py:27 project/forms/reference_request.py:70
-#: project/templates/event/create.html:190
-#: project/templates/event/update.html:155
+#: project/templates/event/create.html:193
+#: project/templates/event/update.html:158
 msgid "Rating"
 msgstr ""
 
@@ -661,9 +661,9 @@ msgstr ""
 
 #: project/forms/event.py:250 project/forms/event.py:259
 #: project/forms/event.py:319 project/forms/event_suggestion.py:50
-#: project/templates/_macros.html:438 project/templates/_macros.html:594
-#: project/templates/event/create.html:121
-#: project/templates/event/update.html:105
+#: project/templates/_macros.html:453 project/templates/_macros.html:609
+#: project/templates/event/create.html:124
+#: project/templates/event/update.html:108
 #: project/templates/event_place/create.html:21
 #: project/templates/event_place/delete.html:13
 #: project/templates/event_place/update.html:21
@@ -680,9 +680,9 @@ msgstr ""
 
 #: project/forms/event.py:266 project/forms/event.py:275
 #: project/forms/event.py:327 project/forms/event.py:377
-#: project/forms/event_suggestion.py:60 project/templates/_macros.html:476
-#: project/templates/_macros.html:631 project/templates/event/create.html:96
-#: project/templates/event/update.html:96
+#: project/forms/event_suggestion.py:60 project/templates/_macros.html:491
+#: project/templates/_macros.html:646 project/templates/event/create.html:99
+#: project/templates/event/update.html:99
 #: project/templates/organizer/create.html:17
 #: project/templates/organizer/delete.html:13
 #: project/templates/organizer/update.html:17
@@ -698,7 +698,7 @@ msgid "Enter new organizer"
 msgstr ""
 
 #: project/forms/event.py:281 project/templates/event/create.html:4
-#: project/templates/event/create.html:68
+#: project/templates/event/create.html:71
 #: project/templates/manage/events.html:12
 #: project/templates/manage/organizers.html:21
 msgid "Create event"
@@ -724,7 +724,7 @@ msgid ""
 "Organizers."
 msgstr ""
 
-#: project/forms/event.py:336 project/templates/event/update.html:86
+#: project/forms/event.py:336 project/templates/event/update.html:89
 #: project/templates/oauth2_token/list.html:21
 msgid "Status"
 msgstr ""
@@ -733,23 +733,23 @@ msgstr ""
 msgid "EventStatus.scheduled"
 msgstr ""
 
-#: project/forms/event.py:340 project/templates/layout.html:98
-#: project/templates/layout.html:113
+#: project/forms/event.py:340 project/templates/layout.html:109
+#: project/templates/layout.html:124
 msgid "EventStatus.cancelled"
 msgstr ""
 
-#: project/forms/event.py:341 project/templates/layout.html:101
-#: project/templates/layout.html:116
+#: project/forms/event.py:341 project/templates/layout.html:112
+#: project/templates/layout.html:127
 msgid "EventStatus.movedOnline"
 msgstr ""
 
-#: project/forms/event.py:342 project/templates/layout.html:104
-#: project/templates/layout.html:119
+#: project/forms/event.py:342 project/templates/layout.html:115
+#: project/templates/layout.html:130
 msgid "EventStatus.postponed"
 msgstr ""
 
-#: project/forms/event.py:343 project/templates/layout.html:107
-#: project/templates/layout.html:122
+#: project/forms/event.py:343 project/templates/layout.html:118
+#: project/templates/layout.html:133
 msgid "EventStatus.rescheduled"
 msgstr ""
 
@@ -758,11 +758,11 @@ msgid "Select the status of the event."
 msgstr ""
 
 #: project/forms/event.py:348 project/templates/event/update.html:4
-#: project/templates/event/update.html:58
+#: project/templates/event/update.html:61
 msgid "Update event"
 msgstr ""
 
-#: project/forms/event.py:362 project/templates/_macros.html:1140
+#: project/forms/event.py:362 project/templates/_macros.html:1156
 #: project/templates/event/actions.html:47
 #: project/templates/event/delete.html:6
 msgid "Delete event"
@@ -783,7 +783,7 @@ msgid "Keyword"
 msgstr ""
 
 #: project/forms/event.py:374 project/forms/event_date.py:19
-#: project/forms/planing.py:17 project/templates/_macros.html:362
+#: project/forms/planing.py:17 project/templates/_macros.html:377
 msgid "Category"
 msgstr ""
 
@@ -792,8 +792,8 @@ msgid "Find events"
 msgstr ""
 
 #: project/forms/event_date.py:22 project/forms/planing.py:20
-#: project/templates/_macros.html:113 project/templates/_macros.html:296
-#: project/templates/admin_unit/create.html:27
+#: project/templates/_macros.html:128 project/templates/_macros.html:311
+#: project/templates/admin_unit/create.html:68
 #: project/templates/admin_unit/update.html:28
 #: project/templates/event_place/create.html:30
 #: project/templates/event_place/update.html:30
@@ -846,13 +846,13 @@ msgstr ""
 msgid "I would like to be notified by email after the review"
 msgstr ""
 
-#: project/forms/event_suggestion.py:52 project/templates/event/create.html:126
+#: project/forms/event_suggestion.py:52 project/templates/event/create.html:129
 msgid ""
 "Choose where the event takes place. If the venue is not yet in the list, "
 "just enter it."
 msgstr ""
 
-#: project/forms/event_suggestion.py:62 project/templates/event/create.html:100
+#: project/forms/event_suggestion.py:62 project/templates/event/create.html:103
 msgid ""
 "Select the organizer. If the organizer is not yet on the list, just enter"
 " it."
@@ -860,7 +860,7 @@ msgstr ""
 
 #: project/forms/event_suggestion.py:78
 #: project/templates/widget/event_suggestion/create.html:4
-#: project/templates/widget/event_suggestion/create.html:123
+#: project/templates/widget/event_suggestion/create.html:125
 msgid "Create event suggestion"
 msgstr ""
 
@@ -926,8 +926,8 @@ msgid "Weekdays"
 msgstr ""
 
 #: project/forms/reference.py:11 project/forms/reference_request.py:15
-#: project/templates/_macros.html:497 project/templates/_macros.html:657
-#: project/templates/admin_unit/create.html:17
+#: project/templates/_macros.html:512 project/templates/_macros.html:672
+#: project/templates/admin_unit/create.html:58
 #: project/templates/admin_unit/update.html:18
 msgid "Organization"
 msgstr ""
@@ -953,7 +953,7 @@ msgstr ""
 msgid "Delete request"
 msgstr ""
 
-#: project/forms/reference_request.py:27 project/templates/_macros.html:1257
+#: project/forms/reference_request.py:27 project/templates/_macros.html:1283
 #: project/templates/event_suggestion/review_status.html:18
 #: project/templates/reference_request/review_status.html:12
 msgid "Review status"
@@ -999,206 +999,206 @@ msgstr ""
 msgid "Deny"
 msgstr ""
 
-#: project/forms/widgets.py:149
+#: project/forms/widgets.py:147
 msgid "This field is required."
 msgstr ""
 
-#: project/templates/_macros.html:110 project/templates/_macros.html:385
-#: project/templates/_macros.html:392 project/templates/_macros.html:836
+#: project/templates/_macros.html:125 project/templates/_macros.html:400
+#: project/templates/_macros.html:407 project/templates/_macros.html:852
 msgid "Date"
 msgstr ""
 
-#: project/templates/_macros.html:112
+#: project/templates/_macros.html:127
 msgid "Host"
 msgstr ""
 
-#: project/templates/_macros.html:134
+#: project/templates/_macros.html:149
 msgid "Show all events"
 msgstr ""
 
-#: project/templates/_macros.html:150
+#: project/templates/_macros.html:165
 msgid "Show on Google Maps"
 msgstr ""
 
-#: project/templates/_macros.html:229
+#: project/templates/_macros.html:244
 msgid "Link"
 msgstr ""
 
-#: project/templates/_macros.html:339
+#: project/templates/_macros.html:354
 #, python-format
 msgid "Created at %(created_at)s by %(created_by)s."
 msgstr ""
 
-#: project/templates/_macros.html:341
+#: project/templates/_macros.html:356
 #, python-format
 msgid "Created at %(created_at)s."
 msgstr ""
 
-#: project/templates/_macros.html:346
+#: project/templates/_macros.html:361
 #, python-format
 msgid "Last updated at %(updated_at)s by %(updated_by)s."
 msgstr ""
 
-#: project/templates/_macros.html:348
+#: project/templates/_macros.html:363
 #, python-format
 msgid "Last updated at %(updated_at)s."
 msgstr ""
 
-#: project/templates/_macros.html:378 project/templates/_macros.html:554
+#: project/templates/_macros.html:393 project/templates/_macros.html:569
 #: project/templates/event/actions.html:12
-#: project/templates/event/create.html:75
+#: project/templates/event/create.html:78
 #: project/templates/event/delete.html:13
-#: project/templates/event/update.html:65
+#: project/templates/event/update.html:68
 #: project/templates/reference/delete.html:13
-#: project/templates/widget/event_suggestion/create.html:195
+#: project/templates/widget/event_suggestion/create.html:197
 msgid "Event"
 msgstr ""
 
-#: project/templates/_macros.html:388 project/templates/_macros.html:540
+#: project/templates/_macros.html:403 project/templates/_macros.html:555
 #, python-format
 msgid "%(count)d event dates"
 msgstr ""
 
-#: project/templates/_macros.html:421 project/templates/_macros.html:576
-#: project/templates/_macros.html:1320 project/templates/event/actions.html:32
+#: project/templates/_macros.html:436 project/templates/_macros.html:591
+#: project/templates/_macros.html:1346 project/templates/event/actions.html:32
 msgid "Share"
 msgstr ""
 
-#: project/templates/_macros.html:425 project/templates/_macros.html:580
-#: project/templates/_macros.html:1350
+#: project/templates/_macros.html:440 project/templates/_macros.html:595
+#: project/templates/_macros.html:1376
 msgid "Add to calendar"
 msgstr ""
 
-#: project/templates/_macros.html:459 project/templates/_macros.html:613
+#: project/templates/_macros.html:474 project/templates/_macros.html:628
 msgid "Show directions"
 msgstr ""
 
-#: project/templates/_macros.html:464 project/templates/_macros.html:618
+#: project/templates/_macros.html:479 project/templates/_macros.html:633
 msgid "The event takes place online."
 msgstr ""
 
-#: project/templates/_macros.html:466 project/templates/_macros.html:620
+#: project/templates/_macros.html:481 project/templates/_macros.html:635
 msgid "The event takes place both offline and online."
 msgstr ""
 
-#: project/templates/_macros.html:681 project/templates/event_date/list.html:4
+#: project/templates/_macros.html:696 project/templates/event_date/list.html:4
 #: project/templates/event_date/list.html:258
 #: project/templates/event_date/search.html:3
 #: project/templates/reference_request/review.html:30
 msgid "Event Dates"
 msgstr ""
 
-#: project/templates/_macros.html:753
+#: project/templates/_macros.html:769
 msgid "Search location on Google"
 msgstr ""
 
-#: project/templates/_macros.html:786 project/templates/_macros.html:788
+#: project/templates/_macros.html:802 project/templates/_macros.html:804
 #: project/templates/event_date/list.html:279
-#: project/templates/widget/event_suggestion/create.html:159
-#: project/templates/widget/event_suggestion/create.html:184
-#: project/templates/widget/event_suggestion/create.html:206
-#: project/templates/widget/event_suggestion/create.html:229
-#: project/templates/widget/event_suggestion/create.html:262
-#: project/templates/widget/event_suggestion/create.html:291
+#: project/templates/widget/event_suggestion/create.html:161
+#: project/templates/widget/event_suggestion/create.html:186
+#: project/templates/widget/event_suggestion/create.html:208
+#: project/templates/widget/event_suggestion/create.html:231
+#: project/templates/widget/event_suggestion/create.html:264
+#: project/templates/widget/event_suggestion/create.html:293
 msgid "Previous"
 msgstr ""
 
-#: project/templates/_macros.html:790
+#: project/templates/_macros.html:806
 #, python-format
 msgid "Page %(page)d of %(pages)d (%(total)d total)"
 msgstr ""
 
-#: project/templates/_macros.html:792 project/templates/_macros.html:794
+#: project/templates/_macros.html:808 project/templates/_macros.html:810
 #: project/templates/event_date/list.html:281
-#: project/templates/widget/event_suggestion/create.html:160
-#: project/templates/widget/event_suggestion/create.html:185
-#: project/templates/widget/event_suggestion/create.html:207
-#: project/templates/widget/event_suggestion/create.html:230
-#: project/templates/widget/event_suggestion/create.html:263
+#: project/templates/widget/event_suggestion/create.html:162
+#: project/templates/widget/event_suggestion/create.html:187
+#: project/templates/widget/event_suggestion/create.html:209
+#: project/templates/widget/event_suggestion/create.html:232
+#: project/templates/widget/event_suggestion/create.html:265
 msgid "Next"
 msgstr ""
 
-#: project/templates/_macros.html:859
+#: project/templates/_macros.html:875
 msgid "Radius"
 msgstr ""
 
-#: project/templates/_macros.html:1069
+#: project/templates/_macros.html:1085
 msgid "Edit image"
 msgstr ""
 
-#: project/templates/_macros.html:1090
+#: project/templates/_macros.html:1106
 msgid "Close"
 msgstr ""
 
-#: project/templates/_macros.html:1091
+#: project/templates/_macros.html:1107
 msgid "Okay"
 msgstr ""
 
-#: project/templates/_macros.html:1103
+#: project/templates/_macros.html:1119
 msgid "Choose image file"
 msgstr ""
 
-#: project/templates/_macros.html:1139 project/templates/event/actions.html:46
+#: project/templates/_macros.html:1155 project/templates/event/actions.html:46
 msgid "Edit event"
 msgstr ""
 
-#: project/templates/_macros.html:1142 project/templates/manage/events.html:30
+#: project/templates/_macros.html:1158 project/templates/manage/events.html:30
 msgid "More"
 msgstr ""
 
-#: project/templates/_macros.html:1217
+#: project/templates/_macros.html:1243
 msgid "Event suggestion"
 msgstr ""
 
-#: project/templates/_macros.html:1329
+#: project/templates/_macros.html:1355
 msgid "Link copied"
 msgstr ""
 
-#: project/templates/_macros.html:1329
+#: project/templates/_macros.html:1355
 msgid "Copy link"
 msgstr ""
 
-#: project/templates/_macros.html:1358
+#: project/templates/_macros.html:1384
 msgid "Google calendar"
 msgstr ""
 
-#: project/templates/_macros.html:1359
+#: project/templates/_macros.html:1385
 msgid "Apple calendar"
 msgstr ""
 
-#: project/templates/_macros.html:1360
+#: project/templates/_macros.html:1386
 msgid "Yahoo calendar"
 msgstr ""
 
-#: project/templates/_macros.html:1361
+#: project/templates/_macros.html:1387
 msgid "Other calendar"
 msgstr ""
 
-#: project/templates/home.html:27 project/templates/layout.html:192
+#: project/templates/home.html:27 project/templates/layout.html:203
 msgid "Manage"
 msgstr ""
 
 #: project/templates/home.html:29 project/templates/security/login_user.html:23
-#: project/views/widget.py:175
+#: project/views/widget.py:179
 msgid "Register for free"
 msgstr ""
 
-#: project/templates/event_place/read.html:22 project/templates/layout.html:195
+#: project/templates/event_place/read.html:22 project/templates/layout.html:206
 #: project/templates/layout_manage.html:24
 #: project/templates/manage/events.html:5
 #: project/templates/manage/events.html:9
 msgid "Events"
 msgstr ""
 
-#: project/templates/layout.html:196
+#: project/templates/layout.html:207
 msgid "Planing"
 msgstr ""
 
-#: project/templates/layout.html:197
+#: project/templates/layout.html:208
 msgid "Example"
 msgstr ""
 
-#: project/templates/layout.html:206
+#: project/templates/layout.html:217
 #: project/templates/oauth2_client/list.html:10
 #: project/templates/oauth2_client/read.html:10
 #: project/templates/oauth2_token/list.html:10 project/templates/profile.html:4
@@ -1208,15 +1208,15 @@ msgstr ""
 
 #: project/templates/admin/admin.html:3 project/templates/admin/admin.html:9
 #: project/templates/admin/admin_units.html:10
-#: project/templates/admin/users.html:10 project/templates/layout.html:209
+#: project/templates/admin/users.html:10 project/templates/layout.html:220
 msgid "Admin"
 msgstr ""
 
-#: project/templates/layout.html:213
+#: project/templates/layout.html:224
 msgid "Logout"
 msgstr ""
 
-#: project/templates/developer/read.html:4 project/templates/layout.html:268
+#: project/templates/developer/read.html:4 project/templates/layout.html:279
 #: project/templates/profile.html:29
 msgid "Developer"
 msgstr ""
@@ -1331,10 +1331,10 @@ msgstr ""
 msgid "Edit"
 msgstr ""
 
-#: project/templates/admin_unit/create.html:47
+#: project/templates/admin_unit/create.html:88
 #: project/templates/admin_unit/update.html:48
-#: project/templates/event/create.html:178
-#: project/templates/event/update.html:143
+#: project/templates/event/create.html:181
+#: project/templates/event/update.html:146
 #: project/templates/event_place/create.html:47
 #: project/templates/event_place/update.html:47
 #: project/templates/organizer/create.html:46
@@ -1439,18 +1439,18 @@ msgstr ""
 msgid "List all events of %(admin_unit_name)s"
 msgstr ""
 
-#: project/templates/event/create.html:85
-#: project/templates/event/update.html:75
+#: project/templates/event/create.html:88
+#: project/templates/event/update.html:78
 msgid "Event date"
 msgstr ""
 
-#: project/templates/event/create.html:151
-#: project/templates/event/update.html:116
+#: project/templates/event/create.html:154
+#: project/templates/event/update.html:119
 msgid "Access"
 msgstr ""
 
-#: project/templates/event/create.html:165
-#: project/templates/event/update.html:130
+#: project/templates/event/create.html:168
+#: project/templates/event/update.html:133
 msgid "Target group"
 msgstr ""
 
@@ -1642,15 +1642,15 @@ msgstr ""
 msgid "Print"
 msgstr ""
 
-#: project/templates/widget/event_suggestion/create.html:141
+#: project/templates/widget/event_suggestion/create.html:143
 msgid "Continue as guest"
 msgstr ""
 
-#: project/templates/widget/event_suggestion/create.html:240
+#: project/templates/widget/event_suggestion/create.html:242
 msgid "Optional details"
 msgstr ""
 
-#: project/templates/widget/event_suggestion/create.html:273
+#: project/templates/widget/event_suggestion/create.html:275
 msgid "Preview"
 msgstr ""
 
@@ -1761,6 +1761,10 @@ msgstr ""
 msgid "Event review status updated"
 msgstr ""
 
+#: project/views/js.py:20
+msgid "Short name is already taken"
+msgstr ""
+
 #: project/views/oauth2_client.py:37
 msgid "OAuth2 client successfully created"
 msgstr ""
@@ -1850,17 +1854,17 @@ msgstr ""
 msgid "You do not have permission for this action"
 msgstr ""
 
-#: project/views/widget.py:167
+#: project/views/widget.py:171
 msgid "Thank you so much! The event is being verified."
 msgstr ""
 
-#: project/views/widget.py:171
+#: project/views/widget.py:175
 msgid ""
 "For more options and your own calendar of events, you can register for "
 "free."
 msgstr ""
 
-#: project/views/widget.py:234
+#: project/views/widget.py:238
 msgid "New event review"
 msgstr ""
 
diff --git a/project/__init__.py b/project/__init__.py
index 957504e..0cf2ff2 100644
--- a/project/__init__.py
+++ b/project/__init__.py
@@ -10,6 +10,7 @@ from flask_migrate import Migrate
 from flask_qrcode import QRcode
 from flask_security import Security, SQLAlchemySessionUserDatastore
 from flask_sqlalchemy import SQLAlchemy
+from flask_wtf.csrf import CSRFProtect
 
 from project.custom_session_interface import CustomSessionInterface
 
@@ -85,6 +86,10 @@ babel = Babel(app)
 # cors
 cors = CORS(app, resources={r"/.well-known/*", r"/api/*", r"/oauth/*", "/swagger/"})
 
+# CRSF protection
+csrf = CSRFProtect(app)
+app.config["WTF_CSRF_CHECK_DEFAULT"] = False
+
 # Mail
 mail_server = os.getenv("MAIL_SERVER")
 
@@ -168,6 +173,7 @@ from project.views import (
     event_place,
     event_suggestion,
     image,
+    js,
     manage,
     oauth,
     oauth2_client,
diff --git a/project/forms/admin_unit.py b/project/forms/admin_unit.py
index 1452ef8..be6af9b 100644
--- a/project/forms/admin_unit.py
+++ b/project/forms/admin_unit.py
@@ -2,10 +2,11 @@ from flask_babelex import lazy_gettext
 from flask_wtf import FlaskForm
 from wtforms import DecimalField, FormField, StringField, SubmitField
 from wtforms.fields.html5 import EmailField, TelField, URLField
-from wtforms.validators import DataRequired, Optional, Regexp
+from wtforms.validators import DataRequired, Length, Optional, Regexp
 from wtforms.widgets.html5 import ColorInput
 
 from project.forms.common import Base64ImageForm
+from project.forms.widgets import HTML5StringField
 from project.models import Image, Location
 
 
@@ -23,14 +24,17 @@ class AdminUnitLocationForm(FlaskForm):
 
 
 class BaseAdminUnitForm(FlaskForm):
-    name = StringField(lazy_gettext("Name"), validators=[DataRequired()])
-    short_name = StringField(
+    name = HTML5StringField(
+        lazy_gettext("Name"), validators=[DataRequired(), Length(min=5, max=255)]
+    )
+    short_name = HTML5StringField(
         lazy_gettext("Short name"),
         description=lazy_gettext(
             "The short name is used to create a unique identifier for your events"
         ),
         validators=[
             DataRequired(),
+            Length(min=5, max=100),
             Regexp(
                 r"^\w+$",
                 message=lazy_gettext(
diff --git a/project/templates/_macros.html b/project/templates/_macros.html
index dbe64e4..e19d42d 100644
--- a/project/templates/_macros.html
+++ b/project/templates/_macros.html
@@ -752,6 +752,7 @@
             $('#{{ prefix }}location-longitude').val(place.geometry.location.lng());
 
             $('#location_search').val('');
+            $('#location_search').trigger('place_changed');
         });
     }
     google.maps.event.addDomListener(window, 'load', initialize);
@@ -765,7 +766,7 @@
         <div class="input-group-prepend">
           <span class="input-group-text"><span><i class="fab fa-google"></i></span></span>
         </div>
-        <input id="location_search" type="text" class="form-control" placeholder="{{ _('Search location on Google') }}" runat="server" />
+        <input id="location_search" type="search" class="form-control" placeholder="{{ _('Search location on Google') }}" runat="server" />
       </div>
     </div>
   </div>
@@ -1390,3 +1391,53 @@ $('#end-container').on('hidden', function() {
   </div>
 </div>
 {% endmacro %}
+
+{% macro render_admin_unit_form_script(admin_unit_id=None) %}
+<script>
+
+  $( function() {
+    jQuery.validator.addMethod("shortName", function(value, element) {
+      return this.optional(element) || /^\w+$/i.test(value);
+    }, jQuery.validator.format("{{ _('Short name must contain only letters numbers or underscore') }}"));
+
+    var form = $("#main-form");
+    form.validate({
+          rules: {
+          }
+      });
+
+    $("#short_name").rules("add", "shortName");
+    $("#short_name").rules("add", {
+      remote: {
+        url: "{{ url_for('js_check_org_short_name') }}",
+        type: "post"
+        {% if admin_unit_id %}
+        ,data: {
+          admin_unit_id: function() {
+            return "{{ admin_unit_id }}";
+          }
+        }
+        {% endif %}
+      }
+    });
+
+    $("#name").blur(function() {
+      if ($("#short_name").val().length == 0) {
+
+        var name = $("#name").val().toLowerCase().replace(/ä/g, 'ae').replace(/ö/g, 'oe').replace(/ü/g, 'ue').replace(/ß/g, 'ss');
+        var re = /\w/g;
+        var suggestion = (name.match(re) || []).join('');
+
+        $("#short_name").val(suggestion);
+        $("#short_name").valid();
+      }
+    });
+
+    $('#location_search').on('place_changed', function() {
+      $('#location_search').closest('.card-body').find(':input').valid();
+      $('#location_search').removeClass('is-valid');
+    });
+
+  });
+</script>
+{% endmacro %}
diff --git a/project/templates/admin_unit/create.html b/project/templates/admin_unit/create.html
index 2275bba..06030e4 100644
--- a/project/templates/admin_unit/create.html
+++ b/project/templates/admin_unit/create.html
@@ -1,15 +1,17 @@
 {% extends "layout.html" %}
-{% from "_macros.html" import render_cropper_logo_block, render_crop_image_form_section, render_google_place_autocomplete_header, render_google_place_autocomplete_field, render_field_with_errors, render_field %}
+{% from "_macros.html" import render_admin_unit_form_script, render_jquery_steps_header, render_cropper_logo_block, render_crop_image_form_section, render_google_place_autocomplete_header, render_google_place_autocomplete_field, render_field_with_errors, render_field %}
 
 {% block header %}
+{{ render_jquery_steps_header() }}
 {{ render_google_place_autocomplete_header(True) }}
 {{ render_cropper_logo_block() }}
+{{ render_admin_unit_form_script() }}
 {% endblock %}
 
 {% block content %}
 
 <h1>{{ _('Create organization') }}</h1>
-<form action="{{ url_for('admin_unit_create') }}" method="POST" enctype="multipart/form-data">
+<form id="main-form" action="{{ url_for('admin_unit_create') }}" method="POST" enctype="multipart/form-data">
   {{ form.hidden_tag() }}
 
   <div class="card mb-4">
diff --git a/project/templates/admin_unit/update.html b/project/templates/admin_unit/update.html
index ccf3c88..1303164 100644
--- a/project/templates/admin_unit/update.html
+++ b/project/templates/admin_unit/update.html
@@ -1,16 +1,18 @@
 {% extends "layout_manage.html" %}
 {% set active_id = "settings" %}
-{% from "_macros.html" import render_cropper_logo_block, render_crop_image_form_section, render_google_place_autocomplete_header, render_google_place_autocomplete_field, render_field_with_errors, render_field %}
+{% from "_macros.html" import render_admin_unit_form_script, render_jquery_steps_header, render_cropper_logo_block, render_crop_image_form_section, render_google_place_autocomplete_header, render_google_place_autocomplete_field, render_field_with_errors, render_field %}
 
 {% block header %}
+{{ render_jquery_steps_header() }}
 {{ render_google_place_autocomplete_header(True) }}
 {{ render_cropper_logo_block() }}
+{{ render_admin_unit_form_script(admin_unit.id) }}
 {% endblock %}
 
 {% block content %}
 
 <h1>{{ _('Settings') }}</h1>
-<form action="" method="POST" enctype="multipart/form-data">
+<form id="main-form" action="" method="POST" enctype="multipart/form-data">
   {{ form.hidden_tag() }}
 
   <div class="card mb-4">
diff --git a/project/templates/layout.html b/project/templates/layout.html
index 11bb897..db5a6a1 100644
--- a/project/templates/layout.html
+++ b/project/templates/layout.html
@@ -85,6 +85,17 @@
 		<script src="https://unpkg.com/leaflet.markercluster@1.4.1/dist/leaflet.markercluster.js"></script>
 		<script src="https://cdn.jsdelivr.net/npm/leaflet.locatecontrol@0.68.0/dist/L.Control.Locate.min.js" charset="utf-8"></script>
     <script src="{{ url_for('static', filename='jquery.recurrenceinput.js')}}"></script>
+    <script type="text/javascript">
+      var csrf_token = "{{ csrf_token() }}";
+
+      $.ajaxSetup({
+          beforeSend: function(xhr, settings) {
+              if (!/^(GET|HEAD|OPTIONS|TRACE)$/i.test(settings.type) && !this.crossDomain) {
+                  xhr.setRequestHeader("X-CSRFToken", csrf_token);
+              }
+          }
+      });
+    </script>
 
     {% block header_before_site_js %}
     {%- endblock -%}
diff --git a/project/translations/de/LC_MESSAGES/messages.mo b/project/translations/de/LC_MESSAGES/messages.mo
index 9878cbb..6a09535 100644
Binary files a/project/translations/de/LC_MESSAGES/messages.mo and b/project/translations/de/LC_MESSAGES/messages.mo differ
diff --git a/project/translations/de/LC_MESSAGES/messages.po b/project/translations/de/LC_MESSAGES/messages.po
index c97269e..29980a1 100644
--- a/project/translations/de/LC_MESSAGES/messages.po
+++ b/project/translations/de/LC_MESSAGES/messages.po
@@ -7,7 +7,7 @@ msgid ""
 msgstr ""
 "Project-Id-Version: PROJECT VERSION\n"
 "Report-Msgid-Bugs-To: EMAIL@ADDRESS\n"
-"POT-Creation-Date: 2021-07-22 22:41+0200\n"
+"POT-Creation-Date: 2021-07-25 22:35+0200\n"
 "PO-Revision-Date: 2020-06-07 18:51+0200\n"
 "Last-Translator: FULL NAME <EMAIL@ADDRESS>\n"
 "Language: de\n"
@@ -166,24 +166,24 @@ msgstr "Event_"
 msgid "."
 msgstr "."
 
-#: project/forms/admin.py:10 project/templates/layout.html:246
+#: project/forms/admin.py:10 project/templates/layout.html:257
 #: project/views/root.py:42
 msgid "Terms of service"
 msgstr "Nutzungsbedingungen"
 
-#: project/forms/admin.py:11 project/templates/layout.html:250
+#: project/forms/admin.py:11 project/templates/layout.html:261
 #: project/views/root.py:50
 msgid "Legal notice"
 msgstr "Impressum"
 
-#: project/forms/admin.py:12 project/templates/_macros.html:1245
-#: project/templates/layout.html:254
-#: project/templates/widget/event_suggestion/create.html:170
+#: project/forms/admin.py:12 project/templates/_macros.html:1271
+#: project/templates/layout.html:265
+#: project/templates/widget/event_suggestion/create.html:172
 #: project/views/admin_unit.py:36 project/views/root.py:58
 msgid "Contact"
 msgstr "Kontakt"
 
-#: project/forms/admin.py:13 project/templates/layout.html:258
+#: project/forms/admin.py:13 project/templates/layout.html:269
 #: project/views/root.py:66
 msgid "Privacy"
 msgstr "Datenschutz"
@@ -219,43 +219,43 @@ msgstr ""
 msgid "Update organization"
 msgstr "Organisation aktualisieren"
 
-#: project/forms/admin_unit.py:13 project/forms/event.py:33
+#: project/forms/admin_unit.py:14 project/forms/event.py:33
 #: project/forms/event_place.py:12 project/forms/organizer.py:12
 msgid "Street"
 msgstr "Straße"
 
-#: project/forms/admin_unit.py:14 project/forms/event.py:34
+#: project/forms/admin_unit.py:15 project/forms/event.py:34
 #: project/forms/event_place.py:13 project/forms/organizer.py:13
 msgid "Postal code"
 msgstr "Postleitzahl"
 
-#: project/forms/admin_unit.py:15 project/forms/event.py:35
+#: project/forms/admin_unit.py:16 project/forms/event.py:35
 #: project/forms/event_place.py:14 project/forms/organizer.py:14
 msgid "City"
 msgstr "Stadt/Ort"
 
-#: project/forms/admin_unit.py:16 project/forms/event_place.py:15
+#: project/forms/admin_unit.py:17 project/forms/event_place.py:15
 #: project/forms/organizer.py:15
 msgid "State"
 msgstr "Bundesland"
 
-#: project/forms/admin_unit.py:18 project/forms/event_place.py:17
+#: project/forms/admin_unit.py:19 project/forms/event_place.py:17
 #: project/forms/organizer.py:17
 msgid "Latitude"
 msgstr "Breitengrad"
 
-#: project/forms/admin_unit.py:21 project/forms/event_place.py:20
+#: project/forms/admin_unit.py:22 project/forms/event_place.py:20
 #: project/forms/organizer.py:20
 msgid "Longitude"
 msgstr "Längengrad"
 
-#: project/forms/admin_unit.py:26 project/forms/event.py:40
+#: project/forms/admin_unit.py:28 project/forms/event.py:40
 #: project/forms/event.py:69 project/forms/event.py:363
 #: project/forms/event_place.py:25 project/forms/event_place.py:50
 #: project/forms/event_suggestion.py:26 project/forms/oauth2_client.py:66
 #: project/forms/organizer.py:25 project/forms/organizer.py:52
 #: project/forms/reference.py:40 project/forms/reference_request.py:22
-#: project/templates/_macros.html:111
+#: project/templates/_macros.html:126
 #: project/templates/admin/admin_units.html:19
 #: project/templates/event_place/list.html:19
 #: project/templates/oauth2_client/list.html:25
@@ -263,72 +263,72 @@ msgstr "Längengrad"
 msgid "Name"
 msgstr "Name"
 
-#: project/forms/admin_unit.py:28
+#: project/forms/admin_unit.py:31
 msgid "Short name"
 msgstr "Kurzname"
 
-#: project/forms/admin_unit.py:29
+#: project/forms/admin_unit.py:32
 msgid "The short name is used to create a unique identifier for your events"
 msgstr ""
 "Der Kurzname wird verwendet, um die Veranstaltungen der Organisation "
 "eindeutig zu identifizieren. Der Kurzname darf nur Buchstaben, Nummern "
 "und Unterstriche enthalten."
 
-#: project/forms/admin_unit.py:36
+#: project/forms/admin_unit.py:40 project/templates/admin_unit/create.html:13
 msgid "Short name must contain only letters numbers or underscore"
 msgstr "Der Kurzname darf nur Buchstaben, Nummern und Unterstriche enthalten"
 
-#: project/forms/admin_unit.py:42 project/forms/event.py:61
+#: project/forms/admin_unit.py:46 project/forms/event.py:61
 #: project/forms/event.py:98 project/forms/event_place.py:26
 #: project/forms/organizer.py:26
 msgid "Link URL"
 msgstr "Link URL"
 
-#: project/forms/admin_unit.py:43 project/forms/admin_unit_member.py:11
+#: project/forms/admin_unit.py:47 project/forms/admin_unit_member.py:11
 #: project/forms/admin_unit_member.py:23 project/forms/admin_unit_member.py:28
 #: project/forms/event.py:62 project/forms/event_suggestion.py:38
-#: project/forms/organizer.py:27 project/templates/_macros.html:238
-#: project/templates/_macros.html:1335 project/templates/admin/users.html:19
+#: project/forms/organizer.py:27 project/templates/_macros.html:253
+#: project/templates/_macros.html:1361 project/templates/admin/users.html:19
 msgid "Email"
 msgstr "Email"
 
-#: project/forms/admin_unit.py:44 project/forms/event.py:63
+#: project/forms/admin_unit.py:48 project/forms/event.py:63
 #: project/forms/event_suggestion.py:31 project/forms/organizer.py:28
-#: project/templates/_macros.html:281
+#: project/templates/_macros.html:296
 msgid "Phone"
 msgstr "Telefon"
 
-#: project/forms/admin_unit.py:45 project/forms/event.py:64
-#: project/forms/organizer.py:29 project/templates/_macros.html:289
+#: project/forms/admin_unit.py:49 project/forms/event.py:64
+#: project/forms/organizer.py:29 project/templates/_macros.html:304
 msgid "Fax"
 msgstr "Fax"
 
-#: project/forms/admin_unit.py:46 project/forms/organizer.py:30
+#: project/forms/admin_unit.py:50 project/forms/organizer.py:30
 msgid "Logo"
 msgstr "Logo"
 
-#: project/forms/admin_unit.py:59 project/templates/admin_unit/create.html:11
+#: project/forms/admin_unit.py:63 project/templates/admin_unit/create.html:52
 #: project/templates/manage/admin_units.html:18
 msgid "Create organization"
 msgstr "Organisation erstellen"
 
-#: project/forms/admin_unit.py:63 project/forms/admin_unit.py:86
+#: project/forms/admin_unit.py:67 project/forms/admin_unit.py:90
 msgid "Update settings"
 msgstr "Einstellungen speichern"
 
-#: project/forms/admin_unit.py:67
+#: project/forms/admin_unit.py:71
 msgid "Font"
 msgstr "Schriftart"
 
-#: project/forms/admin_unit.py:69
+#: project/forms/admin_unit.py:73
 msgid "Background Color"
 msgstr "Hintergrundfarbe"
 
-#: project/forms/admin_unit.py:75
+#: project/forms/admin_unit.py:79
 msgid "Primary Color"
 msgstr "Hauptfarbe"
 
-#: project/forms/admin_unit.py:81
+#: project/forms/admin_unit.py:85
 msgid "Link Color"
 msgstr "Linkfarbe"
 
@@ -471,8 +471,8 @@ msgid ""
 " If the event takes place regularly, enter when the first date will end."
 msgstr ""
 "Gib an, wann die Veranstaltung endet. Eine Veranstaltung darf maximal 14 "
-"Tage dauern. Wenn die Veranstaltung regelmäßig stattfindet, gib an, wann der"
-" erste Termin endet."
+"Tage dauern. Wenn die Veranstaltung regelmäßig stattfindet, gib an, wann "
+"der erste Termin endet."
 
 #: project/forms/event.py:88
 msgid "Recurrence rule"
@@ -506,7 +506,7 @@ msgstr "Ticket Link"
 msgid "Enter a link where tickets can be purchased."
 msgstr "Gib einen Link ein, über den Tickets gekauft werden können."
 
-#: project/forms/event.py:110 project/templates/_macros.html:220
+#: project/forms/event.py:110 project/templates/_macros.html:235
 msgid "Tags"
 msgstr "Stichworte"
 
@@ -559,8 +559,8 @@ msgstr "Anmeldung erforderlich"
 msgid "If the participants needs to register for the event."
 msgstr "Wenn sich die Teilnehmer für die Veranstaltung anmelden müssen."
 
-#: project/forms/event.py:144 project/templates/_macros.html:252
-#: project/templates/layout.html:144
+#: project/forms/event.py:144 project/templates/_macros.html:267
+#: project/templates/layout.html:155
 msgid "Booked up"
 msgstr "Ausgebucht"
 
@@ -620,11 +620,11 @@ msgstr "Teilnahme"
 msgid "EventAttendanceMode.offline"
 msgstr "Präsenzveranstaltung"
 
-#: project/forms/event.py:191 project/templates/layout.html:132
+#: project/forms/event.py:191 project/templates/layout.html:143
 msgid "EventAttendanceMode.online"
 msgstr "Online"
 
-#: project/forms/event.py:193 project/templates/layout.html:135
+#: project/forms/event.py:193 project/templates/layout.html:146
 msgid "EventAttendanceMode.mixed"
 msgstr "Präsenzveranstaltung und online"
 
@@ -633,7 +633,7 @@ msgid "Choose how people can attend the event."
 msgstr "Wähle aus, wie Personen an der Veranstaltung teilnehmen können."
 
 #: project/forms/event.py:199 project/forms/event_place.py:27
-#: project/templates/widget/event_suggestion/create.html:217
+#: project/templates/widget/event_suggestion/create.html:219
 msgid "Photo"
 msgstr "Foto"
 
@@ -645,16 +645,16 @@ msgstr ""
 "Wir empfehlen dir, ein Foto für die Veranstaltung hochzuladen. Es macht "
 "schon deutlich mehr her, aber es geht natürlich auch ohne."
 
-#: project/forms/event.py:211 project/templates/_macros.html:1172
+#: project/forms/event.py:211 project/templates/_macros.html:1184
 msgid "The start must be before the end."
 msgstr "Der Start muss vor dem Ende sein."
 
-#: project/forms/event.py:217 project/templates/_macros.html:1189
+#: project/forms/event.py:217 project/templates/_macros.html:1201
 msgid "An event can last a maximum of 14 days."
 msgstr "Eine Veranstaltung darf maximal 14 Tage dauern."
 
-#: project/forms/event.py:225 project/templates/_macros.html:399
-#: project/templates/_macros.html:558
+#: project/forms/event.py:225 project/templates/_macros.html:414
+#: project/templates/_macros.html:573
 msgid "Previous start date"
 msgstr "Vorheriges Startdatum"
 
@@ -674,8 +674,8 @@ msgstr "Wähle Kategorien, die zur Veranstaltung passen."
 
 #: project/forms/event.py:238 project/forms/reference.py:14
 #: project/forms/reference.py:27 project/forms/reference_request.py:70
-#: project/templates/event/create.html:190
-#: project/templates/event/update.html:155
+#: project/templates/event/create.html:193
+#: project/templates/event/update.html:158
 msgid "Rating"
 msgstr "Bewertung"
 
@@ -690,9 +690,9 @@ msgstr ""
 
 #: project/forms/event.py:250 project/forms/event.py:259
 #: project/forms/event.py:319 project/forms/event_suggestion.py:50
-#: project/templates/_macros.html:438 project/templates/_macros.html:594
-#: project/templates/event/create.html:121
-#: project/templates/event/update.html:105
+#: project/templates/_macros.html:453 project/templates/_macros.html:609
+#: project/templates/event/create.html:124
+#: project/templates/event/update.html:108
 #: project/templates/event_place/create.html:21
 #: project/templates/event_place/delete.html:13
 #: project/templates/event_place/update.html:21
@@ -709,9 +709,9 @@ msgstr "Neuen Ort eingeben"
 
 #: project/forms/event.py:266 project/forms/event.py:275
 #: project/forms/event.py:327 project/forms/event.py:377
-#: project/forms/event_suggestion.py:60 project/templates/_macros.html:476
-#: project/templates/_macros.html:631 project/templates/event/create.html:96
-#: project/templates/event/update.html:96
+#: project/forms/event_suggestion.py:60 project/templates/_macros.html:491
+#: project/templates/_macros.html:646 project/templates/event/create.html:99
+#: project/templates/event/update.html:99
 #: project/templates/organizer/create.html:17
 #: project/templates/organizer/delete.html:13
 #: project/templates/organizer/update.html:17
@@ -727,7 +727,7 @@ msgid "Enter new organizer"
 msgstr "Neuen Veranstalter eingeben"
 
 #: project/forms/event.py:281 project/templates/event/create.html:4
-#: project/templates/event/create.html:68
+#: project/templates/event/create.html:71
 #: project/templates/manage/events.html:12
 #: project/templates/manage/organizers.html:21
 msgid "Create event"
@@ -757,7 +757,7 @@ msgstr ""
 "Wähle den Veranstalter. Du kannst Veranstalter unter Verwaltung > "
 "Veranstalter hinzufügen und ändern."
 
-#: project/forms/event.py:336 project/templates/event/update.html:86
+#: project/forms/event.py:336 project/templates/event/update.html:89
 #: project/templates/oauth2_token/list.html:21
 msgid "Status"
 msgstr "Status"
@@ -766,23 +766,23 @@ msgstr "Status"
 msgid "EventStatus.scheduled"
 msgstr "Geplant"
 
-#: project/forms/event.py:340 project/templates/layout.html:98
-#: project/templates/layout.html:113
+#: project/forms/event.py:340 project/templates/layout.html:109
+#: project/templates/layout.html:124
 msgid "EventStatus.cancelled"
 msgstr "Abgesagt"
 
-#: project/forms/event.py:341 project/templates/layout.html:101
-#: project/templates/layout.html:116
+#: project/forms/event.py:341 project/templates/layout.html:112
+#: project/templates/layout.html:127
 msgid "EventStatus.movedOnline"
 msgstr "Online verschoben"
 
-#: project/forms/event.py:342 project/templates/layout.html:104
-#: project/templates/layout.html:119
+#: project/forms/event.py:342 project/templates/layout.html:115
+#: project/templates/layout.html:130
 msgid "EventStatus.postponed"
 msgstr "Verschoben"
 
-#: project/forms/event.py:343 project/templates/layout.html:107
-#: project/templates/layout.html:122
+#: project/forms/event.py:343 project/templates/layout.html:118
+#: project/templates/layout.html:133
 msgid "EventStatus.rescheduled"
 msgstr "Neu angesetzt"
 
@@ -791,11 +791,11 @@ msgid "Select the status of the event."
 msgstr "Wähle den Status der Veranstaltung."
 
 #: project/forms/event.py:348 project/templates/event/update.html:4
-#: project/templates/event/update.html:58
+#: project/templates/event/update.html:61
 msgid "Update event"
 msgstr "Veranstaltung aktualisieren"
 
-#: project/forms/event.py:362 project/templates/_macros.html:1140
+#: project/forms/event.py:362 project/templates/_macros.html:1156
 #: project/templates/event/actions.html:47
 #: project/templates/event/delete.html:6
 msgid "Delete event"
@@ -816,7 +816,7 @@ msgid "Keyword"
 msgstr "Stichwort"
 
 #: project/forms/event.py:374 project/forms/event_date.py:19
-#: project/forms/planing.py:17 project/templates/_macros.html:362
+#: project/forms/planing.py:17 project/templates/_macros.html:377
 msgid "Category"
 msgstr "Kategorie"
 
@@ -825,8 +825,8 @@ msgid "Find events"
 msgstr "Veranstaltungen finden"
 
 #: project/forms/event_date.py:22 project/forms/planing.py:20
-#: project/templates/_macros.html:113 project/templates/_macros.html:296
-#: project/templates/admin_unit/create.html:27
+#: project/templates/_macros.html:128 project/templates/_macros.html:311
+#: project/templates/admin_unit/create.html:68
 #: project/templates/admin_unit/update.html:28
 #: project/templates/event_place/create.html:30
 #: project/templates/event_place/update.html:30
@@ -879,7 +879,7 @@ msgstr "Bitte gib deine Email-Adresse oder deine Telefonnummer für die Prüfung
 msgid "I would like to be notified by email after the review"
 msgstr "Ich möchte per Email benachrichtigt werden nach der Prüfung"
 
-#: project/forms/event_suggestion.py:52 project/templates/event/create.html:126
+#: project/forms/event_suggestion.py:52 project/templates/event/create.html:129
 msgid ""
 "Choose where the event takes place. If the venue is not yet in the list, "
 "just enter it."
@@ -887,7 +887,7 @@ msgstr ""
 "Wähle aus, wo die Veranstaltung stattfindet. Ist der Veranstaltungsort "
 "noch nicht in der Liste, trage ihn einfach ein."
 
-#: project/forms/event_suggestion.py:62 project/templates/event/create.html:100
+#: project/forms/event_suggestion.py:62 project/templates/event/create.html:103
 msgid ""
 "Select the organizer. If the organizer is not yet on the list, just enter"
 " it."
@@ -897,7 +897,7 @@ msgstr ""
 
 #: project/forms/event_suggestion.py:78
 #: project/templates/widget/event_suggestion/create.html:4
-#: project/templates/widget/event_suggestion/create.html:123
+#: project/templates/widget/event_suggestion/create.html:125
 msgid "Create event suggestion"
 msgstr "Veranstaltung vorschlagen"
 
@@ -963,8 +963,8 @@ msgid "Weekdays"
 msgstr "Wochentage"
 
 #: project/forms/reference.py:11 project/forms/reference_request.py:15
-#: project/templates/_macros.html:497 project/templates/_macros.html:657
-#: project/templates/admin_unit/create.html:17
+#: project/templates/_macros.html:512 project/templates/_macros.html:672
+#: project/templates/admin_unit/create.html:58
 #: project/templates/admin_unit/update.html:18
 msgid "Organization"
 msgstr "Organisation"
@@ -990,7 +990,7 @@ msgstr "Anfrage speichern"
 msgid "Delete request"
 msgstr "Anfrage löschen"
 
-#: project/forms/reference_request.py:27 project/templates/_macros.html:1257
+#: project/forms/reference_request.py:27 project/templates/_macros.html:1283
 #: project/templates/event_suggestion/review_status.html:18
 #: project/templates/reference_request/review_status.html:12
 msgid "Review status"
@@ -1036,208 +1036,208 @@ msgstr "Erlauben"
 msgid "Deny"
 msgstr "Ablehnen"
 
-#: project/forms/widgets.py:149
+#: project/forms/widgets.py:147
 msgid "This field is required."
 msgstr "Dieses Feld ist erforderlich."
 
-#: project/templates/_macros.html:110 project/templates/_macros.html:385
-#: project/templates/_macros.html:392 project/templates/_macros.html:836
+#: project/templates/_macros.html:125 project/templates/_macros.html:400
+#: project/templates/_macros.html:407 project/templates/_macros.html:852
 msgid "Date"
 msgstr "Datum"
 
-#: project/templates/_macros.html:112
+#: project/templates/_macros.html:127
 msgid "Host"
 msgstr "Veranstalter"
 
-#: project/templates/_macros.html:134
+#: project/templates/_macros.html:149
 msgid "Show all events"
 msgstr "Alle Veranstaltungen anzeigen"
 
-#: project/templates/_macros.html:150
+#: project/templates/_macros.html:165
 msgid "Show on Google Maps"
 msgstr "Auf Google Maps anzeigen"
 
-#: project/templates/_macros.html:229
+#: project/templates/_macros.html:244
 msgid "Link"
 msgstr "Link"
 
-#: project/templates/_macros.html:339
+#: project/templates/_macros.html:354
 #, python-format
 msgid "Created at %(created_at)s by %(created_by)s."
 msgstr "Erstellt am %(created_at)s von %(created_by)s."
 
-#: project/templates/_macros.html:341
+#: project/templates/_macros.html:356
 #, python-format
 msgid "Created at %(created_at)s."
 msgstr "Erstellt am %(created_at)s."
 
-#: project/templates/_macros.html:346
+#: project/templates/_macros.html:361
 #, python-format
 msgid "Last updated at %(updated_at)s by %(updated_by)s."
 msgstr "Zuletzt aktualisiert am %(updated_at)s von %(updated_by)s."
 
-#: project/templates/_macros.html:348
+#: project/templates/_macros.html:363
 #, python-format
 msgid "Last updated at %(updated_at)s."
 msgstr "Zuletzt aktualisiert am %(updated_at)s."
 
-#: project/templates/_macros.html:378 project/templates/_macros.html:554
+#: project/templates/_macros.html:393 project/templates/_macros.html:569
 #: project/templates/event/actions.html:12
-#: project/templates/event/create.html:75
+#: project/templates/event/create.html:78
 #: project/templates/event/delete.html:13
-#: project/templates/event/update.html:65
+#: project/templates/event/update.html:68
 #: project/templates/reference/delete.html:13
-#: project/templates/widget/event_suggestion/create.html:195
+#: project/templates/widget/event_suggestion/create.html:197
 msgid "Event"
 msgstr "Veranstaltung"
 
-#: project/templates/_macros.html:388 project/templates/_macros.html:540
+#: project/templates/_macros.html:403 project/templates/_macros.html:555
 #, python-format
 msgid "%(count)d event dates"
 msgstr "%(count)d Termine"
 
-#: project/templates/_macros.html:421 project/templates/_macros.html:576
-#: project/templates/_macros.html:1320 project/templates/event/actions.html:32
+#: project/templates/_macros.html:436 project/templates/_macros.html:591
+#: project/templates/_macros.html:1346 project/templates/event/actions.html:32
 msgid "Share"
 msgstr "Teilen"
 
-#: project/templates/_macros.html:425 project/templates/_macros.html:580
-#: project/templates/_macros.html:1350
+#: project/templates/_macros.html:440 project/templates/_macros.html:595
+#: project/templates/_macros.html:1376
 msgid "Add to calendar"
 msgstr "Zum Kalender"
 
-#: project/templates/_macros.html:459 project/templates/_macros.html:613
+#: project/templates/_macros.html:474 project/templates/_macros.html:628
 msgid "Show directions"
 msgstr "Anreise planen"
 
-#: project/templates/_macros.html:464 project/templates/_macros.html:618
+#: project/templates/_macros.html:479 project/templates/_macros.html:633
 msgid "The event takes place online."
 msgstr "Die Veranstaltung findet online statt."
 
-#: project/templates/_macros.html:466 project/templates/_macros.html:620
+#: project/templates/_macros.html:481 project/templates/_macros.html:635
 msgid "The event takes place both offline and online."
 msgstr ""
 "Die Veranstaltung findet sowohl als Präsenzveranstaltung als auch online "
 "statt."
 
-#: project/templates/_macros.html:681 project/templates/event_date/list.html:4
+#: project/templates/_macros.html:696 project/templates/event_date/list.html:4
 #: project/templates/event_date/list.html:258
 #: project/templates/event_date/search.html:3
 #: project/templates/reference_request/review.html:30
 msgid "Event Dates"
 msgstr "Termine"
 
-#: project/templates/_macros.html:753
+#: project/templates/_macros.html:769
 msgid "Search location on Google"
 msgstr "Ort bei Google suchen"
 
-#: project/templates/_macros.html:786 project/templates/_macros.html:788
+#: project/templates/_macros.html:802 project/templates/_macros.html:804
 #: project/templates/event_date/list.html:279
-#: project/templates/widget/event_suggestion/create.html:159
-#: project/templates/widget/event_suggestion/create.html:184
-#: project/templates/widget/event_suggestion/create.html:206
-#: project/templates/widget/event_suggestion/create.html:229
-#: project/templates/widget/event_suggestion/create.html:262
-#: project/templates/widget/event_suggestion/create.html:291
+#: project/templates/widget/event_suggestion/create.html:161
+#: project/templates/widget/event_suggestion/create.html:186
+#: project/templates/widget/event_suggestion/create.html:208
+#: project/templates/widget/event_suggestion/create.html:231
+#: project/templates/widget/event_suggestion/create.html:264
+#: project/templates/widget/event_suggestion/create.html:293
 msgid "Previous"
 msgstr "Zurück"
 
-#: project/templates/_macros.html:790
+#: project/templates/_macros.html:806
 #, python-format
 msgid "Page %(page)d of %(pages)d (%(total)d total)"
 msgstr "Seite %(page)d von %(pages)d (%(total)d insgesamt)"
 
-#: project/templates/_macros.html:792 project/templates/_macros.html:794
+#: project/templates/_macros.html:808 project/templates/_macros.html:810
 #: project/templates/event_date/list.html:281
-#: project/templates/widget/event_suggestion/create.html:160
-#: project/templates/widget/event_suggestion/create.html:185
-#: project/templates/widget/event_suggestion/create.html:207
-#: project/templates/widget/event_suggestion/create.html:230
-#: project/templates/widget/event_suggestion/create.html:263
+#: project/templates/widget/event_suggestion/create.html:162
+#: project/templates/widget/event_suggestion/create.html:187
+#: project/templates/widget/event_suggestion/create.html:209
+#: project/templates/widget/event_suggestion/create.html:232
+#: project/templates/widget/event_suggestion/create.html:265
 msgid "Next"
 msgstr "Weiter"
 
-#: project/templates/_macros.html:859
+#: project/templates/_macros.html:875
 msgid "Radius"
 msgstr "Umkreis"
 
-#: project/templates/_macros.html:1069
+#: project/templates/_macros.html:1085
 msgid "Edit image"
 msgstr "Bild bearbeiten"
 
-#: project/templates/_macros.html:1090
+#: project/templates/_macros.html:1106
 msgid "Close"
 msgstr "Schließen"
 
-#: project/templates/_macros.html:1091
+#: project/templates/_macros.html:1107
 msgid "Okay"
 msgstr "OK"
 
-#: project/templates/_macros.html:1103
+#: project/templates/_macros.html:1119
 msgid "Choose image file"
 msgstr "Bild-Datei auswählen"
 
-#: project/templates/_macros.html:1139 project/templates/event/actions.html:46
+#: project/templates/_macros.html:1155 project/templates/event/actions.html:46
 msgid "Edit event"
 msgstr "Veranstaltung bearbeiten"
 
-#: project/templates/_macros.html:1142 project/templates/manage/events.html:30
+#: project/templates/_macros.html:1158 project/templates/manage/events.html:30
 msgid "More"
 msgstr "Mehr"
 
-#: project/templates/_macros.html:1217
+#: project/templates/_macros.html:1243
 msgid "Event suggestion"
 msgstr "Veranstaltungsvorschlag"
 
-#: project/templates/_macros.html:1329
+#: project/templates/_macros.html:1355
 msgid "Link copied"
 msgstr "Link kopiert"
 
-#: project/templates/_macros.html:1329
+#: project/templates/_macros.html:1355
 msgid "Copy link"
 msgstr "Link kopieren"
 
-#: project/templates/_macros.html:1358
+#: project/templates/_macros.html:1384
 msgid "Google calendar"
 msgstr "Google Kalender"
 
-#: project/templates/_macros.html:1359
+#: project/templates/_macros.html:1385
 msgid "Apple calendar"
 msgstr "Apple Kalender"
 
-#: project/templates/_macros.html:1360
+#: project/templates/_macros.html:1386
 msgid "Yahoo calendar"
 msgstr "Yahoo Kalender"
 
-#: project/templates/_macros.html:1361
+#: project/templates/_macros.html:1387
 msgid "Other calendar"
 msgstr "Anderer Kalender"
 
-#: project/templates/home.html:27 project/templates/layout.html:192
+#: project/templates/home.html:27 project/templates/layout.html:203
 msgid "Manage"
 msgstr "Verwaltung"
 
 #: project/templates/home.html:29 project/templates/security/login_user.html:23
-#: project/views/widget.py:175
+#: project/views/widget.py:179
 msgid "Register for free"
 msgstr "Kostenlos registrieren"
 
-#: project/templates/event_place/read.html:22 project/templates/layout.html:195
+#: project/templates/event_place/read.html:22 project/templates/layout.html:206
 #: project/templates/layout_manage.html:24
 #: project/templates/manage/events.html:5
 #: project/templates/manage/events.html:9
 msgid "Events"
 msgstr "Veranstaltungen"
 
-#: project/templates/layout.html:196
+#: project/templates/layout.html:207
 msgid "Planing"
 msgstr "Planung"
 
-#: project/templates/layout.html:197
+#: project/templates/layout.html:208
 msgid "Example"
 msgstr "Beispiel"
 
-#: project/templates/layout.html:206
+#: project/templates/layout.html:217
 #: project/templates/oauth2_client/list.html:10
 #: project/templates/oauth2_client/read.html:10
 #: project/templates/oauth2_token/list.html:10 project/templates/profile.html:4
@@ -1247,15 +1247,15 @@ msgstr "Profil"
 
 #: project/templates/admin/admin.html:3 project/templates/admin/admin.html:9
 #: project/templates/admin/admin_units.html:10
-#: project/templates/admin/users.html:10 project/templates/layout.html:209
+#: project/templates/admin/users.html:10 project/templates/layout.html:220
 msgid "Admin"
 msgstr "Administration"
 
-#: project/templates/layout.html:213
+#: project/templates/layout.html:224
 msgid "Logout"
 msgstr "Ausloggen"
 
-#: project/templates/developer/read.html:4 project/templates/layout.html:268
+#: project/templates/developer/read.html:4 project/templates/layout.html:279
 #: project/templates/profile.html:29
 msgid "Developer"
 msgstr "Entwickler"
@@ -1370,10 +1370,10 @@ msgstr "Benutzer"
 msgid "Edit"
 msgstr "Bearbeiten"
 
-#: project/templates/admin_unit/create.html:47
+#: project/templates/admin_unit/create.html:88
 #: project/templates/admin_unit/update.html:48
-#: project/templates/event/create.html:178
-#: project/templates/event/update.html:143
+#: project/templates/event/create.html:181
+#: project/templates/event/update.html:146
 #: project/templates/event_place/create.html:47
 #: project/templates/event_place/update.html:47
 #: project/templates/organizer/create.html:46
@@ -1480,18 +1480,18 @@ msgstr "Erstelle eine weitere Veranstaltung für %(admin_unit_name)s"
 msgid "List all events of %(admin_unit_name)s"
 msgstr "Zeige alle Veranstaltungen von %(admin_unit_name)s"
 
-#: project/templates/event/create.html:85
-#: project/templates/event/update.html:75
+#: project/templates/event/create.html:88
+#: project/templates/event/update.html:78
 msgid "Event date"
 msgstr "Termin"
 
-#: project/templates/event/create.html:151
-#: project/templates/event/update.html:116
+#: project/templates/event/create.html:154
+#: project/templates/event/update.html:119
 msgid "Access"
 msgstr "Zugang"
 
-#: project/templates/event/create.html:165
-#: project/templates/event/update.html:130
+#: project/templates/event/create.html:168
+#: project/templates/event/update.html:133
 msgid "Target group"
 msgstr "Zielgruppe"
 
@@ -1683,15 +1683,15 @@ msgstr "Widget"
 msgid "Print"
 msgstr "Drucken"
 
-#: project/templates/widget/event_suggestion/create.html:141
+#: project/templates/widget/event_suggestion/create.html:143
 msgid "Continue as guest"
 msgstr "Weiter als Gast"
 
-#: project/templates/widget/event_suggestion/create.html:240
+#: project/templates/widget/event_suggestion/create.html:242
 msgid "Optional details"
 msgstr "Optionale Details"
 
-#: project/templates/widget/event_suggestion/create.html:273
+#: project/templates/widget/event_suggestion/create.html:275
 msgid "Preview"
 msgstr "Vorschau"
 
@@ -1805,6 +1805,10 @@ msgstr "Veranstaltungsvorschlag erfolgreich abgelehnt"
 msgid "Event review status updated"
 msgstr "Prüfungsstatus aktualisiert"
 
+#: project/views/js.py:20
+msgid "Short name is already taken"
+msgstr "Der Kurzname ist bereits vergeben"
+
 #: project/views/oauth2_client.py:37
 msgid "OAuth2 client successfully created"
 msgstr "OAuth2 Client erfolgreich erstellt"
@@ -1898,11 +1902,11 @@ msgstr "Anzeigen"
 msgid "You do not have permission for this action"
 msgstr "Du hast keine Berechtigung für diese Aktion"
 
-#: project/views/widget.py:167
+#: project/views/widget.py:171
 msgid "Thank you so much! The event is being verified."
 msgstr "Vielen Dank! Die Veranstaltung wird geprüft."
 
-#: project/views/widget.py:171
+#: project/views/widget.py:175
 msgid ""
 "For more options and your own calendar of events, you can register for "
 "free."
@@ -1910,7 +1914,7 @@ msgstr ""
 "Für mehr Optionen und einen eigenen Veranstaltungskalender, kannst du "
 "dich kostenlos registrieren."
 
-#: project/views/widget.py:234
+#: project/views/widget.py:238
 msgid "New event review"
 msgstr "Neue Veranstaltung zu prüfen"
 
diff --git a/project/translations/en/LC_MESSAGES/messages.mo b/project/translations/en/LC_MESSAGES/messages.mo
index f823175..b3c4e8f 100644
Binary files a/project/translations/en/LC_MESSAGES/messages.mo and b/project/translations/en/LC_MESSAGES/messages.mo differ
diff --git a/project/translations/en/LC_MESSAGES/messages.po b/project/translations/en/LC_MESSAGES/messages.po
index 25e070d..fdeee4e 100644
--- a/project/translations/en/LC_MESSAGES/messages.po
+++ b/project/translations/en/LC_MESSAGES/messages.po
@@ -7,7 +7,7 @@ msgid ""
 msgstr ""
 "Project-Id-Version: PROJECT VERSION\n"
 "Report-Msgid-Bugs-To: EMAIL@ADDRESS\n"
-"POT-Creation-Date: 2021-07-22 22:41+0200\n"
+"POT-Creation-Date: 2021-07-25 22:35+0200\n"
 "PO-Revision-Date: 2021-04-30 15:04+0200\n"
 "Last-Translator: FULL NAME <EMAIL@ADDRESS>\n"
 "Language: en\n"
@@ -166,24 +166,24 @@ msgstr ""
 msgid "."
 msgstr ""
 
-#: project/forms/admin.py:10 project/templates/layout.html:246
+#: project/forms/admin.py:10 project/templates/layout.html:257
 #: project/views/root.py:42
 msgid "Terms of service"
 msgstr ""
 
-#: project/forms/admin.py:11 project/templates/layout.html:250
+#: project/forms/admin.py:11 project/templates/layout.html:261
 #: project/views/root.py:50
 msgid "Legal notice"
 msgstr ""
 
-#: project/forms/admin.py:12 project/templates/_macros.html:1245
-#: project/templates/layout.html:254
-#: project/templates/widget/event_suggestion/create.html:170
+#: project/forms/admin.py:12 project/templates/_macros.html:1271
+#: project/templates/layout.html:265
+#: project/templates/widget/event_suggestion/create.html:172
 #: project/views/admin_unit.py:36 project/views/root.py:58
 msgid "Contact"
 msgstr ""
 
-#: project/forms/admin.py:13 project/templates/layout.html:258
+#: project/forms/admin.py:13 project/templates/layout.html:269
 #: project/views/root.py:66
 msgid "Privacy"
 msgstr ""
@@ -217,43 +217,43 @@ msgstr ""
 msgid "Update organization"
 msgstr ""
 
-#: project/forms/admin_unit.py:13 project/forms/event.py:33
+#: project/forms/admin_unit.py:14 project/forms/event.py:33
 #: project/forms/event_place.py:12 project/forms/organizer.py:12
 msgid "Street"
 msgstr ""
 
-#: project/forms/admin_unit.py:14 project/forms/event.py:34
+#: project/forms/admin_unit.py:15 project/forms/event.py:34
 #: project/forms/event_place.py:13 project/forms/organizer.py:13
 msgid "Postal code"
 msgstr ""
 
-#: project/forms/admin_unit.py:15 project/forms/event.py:35
+#: project/forms/admin_unit.py:16 project/forms/event.py:35
 #: project/forms/event_place.py:14 project/forms/organizer.py:14
 msgid "City"
 msgstr ""
 
-#: project/forms/admin_unit.py:16 project/forms/event_place.py:15
+#: project/forms/admin_unit.py:17 project/forms/event_place.py:15
 #: project/forms/organizer.py:15
 msgid "State"
 msgstr ""
 
-#: project/forms/admin_unit.py:18 project/forms/event_place.py:17
+#: project/forms/admin_unit.py:19 project/forms/event_place.py:17
 #: project/forms/organizer.py:17
 msgid "Latitude"
 msgstr ""
 
-#: project/forms/admin_unit.py:21 project/forms/event_place.py:20
+#: project/forms/admin_unit.py:22 project/forms/event_place.py:20
 #: project/forms/organizer.py:20
 msgid "Longitude"
 msgstr ""
 
-#: project/forms/admin_unit.py:26 project/forms/event.py:40
+#: project/forms/admin_unit.py:28 project/forms/event.py:40
 #: project/forms/event.py:69 project/forms/event.py:363
 #: project/forms/event_place.py:25 project/forms/event_place.py:50
 #: project/forms/event_suggestion.py:26 project/forms/oauth2_client.py:66
 #: project/forms/organizer.py:25 project/forms/organizer.py:52
 #: project/forms/reference.py:40 project/forms/reference_request.py:22
-#: project/templates/_macros.html:111
+#: project/templates/_macros.html:126
 #: project/templates/admin/admin_units.html:19
 #: project/templates/event_place/list.html:19
 #: project/templates/oauth2_client/list.html:25
@@ -261,69 +261,69 @@ msgstr ""
 msgid "Name"
 msgstr ""
 
-#: project/forms/admin_unit.py:28
+#: project/forms/admin_unit.py:31
 msgid "Short name"
 msgstr ""
 
-#: project/forms/admin_unit.py:29
+#: project/forms/admin_unit.py:32
 msgid "The short name is used to create a unique identifier for your events"
 msgstr ""
 
-#: project/forms/admin_unit.py:36
+#: project/forms/admin_unit.py:40 project/templates/admin_unit/create.html:13
 msgid "Short name must contain only letters numbers or underscore"
 msgstr ""
 
-#: project/forms/admin_unit.py:42 project/forms/event.py:61
+#: project/forms/admin_unit.py:46 project/forms/event.py:61
 #: project/forms/event.py:98 project/forms/event_place.py:26
 #: project/forms/organizer.py:26
 msgid "Link URL"
 msgstr ""
 
-#: project/forms/admin_unit.py:43 project/forms/admin_unit_member.py:11
+#: project/forms/admin_unit.py:47 project/forms/admin_unit_member.py:11
 #: project/forms/admin_unit_member.py:23 project/forms/admin_unit_member.py:28
 #: project/forms/event.py:62 project/forms/event_suggestion.py:38
-#: project/forms/organizer.py:27 project/templates/_macros.html:238
-#: project/templates/_macros.html:1335 project/templates/admin/users.html:19
+#: project/forms/organizer.py:27 project/templates/_macros.html:253
+#: project/templates/_macros.html:1361 project/templates/admin/users.html:19
 msgid "Email"
 msgstr ""
 
-#: project/forms/admin_unit.py:44 project/forms/event.py:63
+#: project/forms/admin_unit.py:48 project/forms/event.py:63
 #: project/forms/event_suggestion.py:31 project/forms/organizer.py:28
-#: project/templates/_macros.html:281
+#: project/templates/_macros.html:296
 msgid "Phone"
 msgstr ""
 
-#: project/forms/admin_unit.py:45 project/forms/event.py:64
-#: project/forms/organizer.py:29 project/templates/_macros.html:289
+#: project/forms/admin_unit.py:49 project/forms/event.py:64
+#: project/forms/organizer.py:29 project/templates/_macros.html:304
 msgid "Fax"
 msgstr ""
 
-#: project/forms/admin_unit.py:46 project/forms/organizer.py:30
+#: project/forms/admin_unit.py:50 project/forms/organizer.py:30
 msgid "Logo"
 msgstr ""
 
-#: project/forms/admin_unit.py:59 project/templates/admin_unit/create.html:11
+#: project/forms/admin_unit.py:63 project/templates/admin_unit/create.html:52
 #: project/templates/manage/admin_units.html:18
 msgid "Create organization"
 msgstr ""
 
-#: project/forms/admin_unit.py:63 project/forms/admin_unit.py:86
+#: project/forms/admin_unit.py:67 project/forms/admin_unit.py:90
 msgid "Update settings"
 msgstr ""
 
-#: project/forms/admin_unit.py:67
+#: project/forms/admin_unit.py:71
 msgid "Font"
 msgstr ""
 
-#: project/forms/admin_unit.py:69
+#: project/forms/admin_unit.py:73
 msgid "Background Color"
 msgstr ""
 
-#: project/forms/admin_unit.py:75
+#: project/forms/admin_unit.py:79
 msgid "Primary Color"
 msgstr ""
 
-#: project/forms/admin_unit.py:81
+#: project/forms/admin_unit.py:85
 msgid "Link Color"
 msgstr ""
 
@@ -491,7 +491,7 @@ msgstr ""
 msgid "Enter a link where tickets can be purchased."
 msgstr ""
 
-#: project/forms/event.py:110 project/templates/_macros.html:220
+#: project/forms/event.py:110 project/templates/_macros.html:235
 msgid "Tags"
 msgstr ""
 
@@ -541,8 +541,8 @@ msgstr ""
 msgid "If the participants needs to register for the event."
 msgstr ""
 
-#: project/forms/event.py:144 project/templates/_macros.html:252
-#: project/templates/layout.html:144
+#: project/forms/event.py:144 project/templates/_macros.html:267
+#: project/templates/layout.html:155
 msgid "Booked up"
 msgstr ""
 
@@ -598,11 +598,11 @@ msgstr ""
 msgid "EventAttendanceMode.offline"
 msgstr "Normal (Offline)"
 
-#: project/forms/event.py:191 project/templates/layout.html:132
+#: project/forms/event.py:191 project/templates/layout.html:143
 msgid "EventAttendanceMode.online"
 msgstr "Online"
 
-#: project/forms/event.py:193 project/templates/layout.html:135
+#: project/forms/event.py:193 project/templates/layout.html:146
 msgid "EventAttendanceMode.mixed"
 msgstr "Online and offline"
 
@@ -611,7 +611,7 @@ msgid "Choose how people can attend the event."
 msgstr ""
 
 #: project/forms/event.py:199 project/forms/event_place.py:27
-#: project/templates/widget/event_suggestion/create.html:217
+#: project/templates/widget/event_suggestion/create.html:219
 msgid "Photo"
 msgstr ""
 
@@ -621,16 +621,16 @@ msgid ""
 " course it works without it."
 msgstr ""
 
-#: project/forms/event.py:211 project/templates/_macros.html:1172
+#: project/forms/event.py:211 project/templates/_macros.html:1184
 msgid "The start must be before the end."
 msgstr ""
 
-#: project/forms/event.py:217 project/templates/_macros.html:1189
+#: project/forms/event.py:217 project/templates/_macros.html:1201
 msgid "An event can last a maximum of 14 days."
 msgstr ""
 
-#: project/forms/event.py:225 project/templates/_macros.html:399
-#: project/templates/_macros.html:558
+#: project/forms/event.py:225 project/templates/_macros.html:414
+#: project/templates/_macros.html:573
 msgid "Previous start date"
 msgstr ""
 
@@ -648,8 +648,8 @@ msgstr ""
 
 #: project/forms/event.py:238 project/forms/reference.py:14
 #: project/forms/reference.py:27 project/forms/reference_request.py:70
-#: project/templates/event/create.html:190
-#: project/templates/event/update.html:155
+#: project/templates/event/create.html:193
+#: project/templates/event/update.html:158
 msgid "Rating"
 msgstr ""
 
@@ -662,9 +662,9 @@ msgstr ""
 
 #: project/forms/event.py:250 project/forms/event.py:259
 #: project/forms/event.py:319 project/forms/event_suggestion.py:50
-#: project/templates/_macros.html:438 project/templates/_macros.html:594
-#: project/templates/event/create.html:121
-#: project/templates/event/update.html:105
+#: project/templates/_macros.html:453 project/templates/_macros.html:609
+#: project/templates/event/create.html:124
+#: project/templates/event/update.html:108
 #: project/templates/event_place/create.html:21
 #: project/templates/event_place/delete.html:13
 #: project/templates/event_place/update.html:21
@@ -681,9 +681,9 @@ msgstr ""
 
 #: project/forms/event.py:266 project/forms/event.py:275
 #: project/forms/event.py:327 project/forms/event.py:377
-#: project/forms/event_suggestion.py:60 project/templates/_macros.html:476
-#: project/templates/_macros.html:631 project/templates/event/create.html:96
-#: project/templates/event/update.html:96
+#: project/forms/event_suggestion.py:60 project/templates/_macros.html:491
+#: project/templates/_macros.html:646 project/templates/event/create.html:99
+#: project/templates/event/update.html:99
 #: project/templates/organizer/create.html:17
 #: project/templates/organizer/delete.html:13
 #: project/templates/organizer/update.html:17
@@ -699,7 +699,7 @@ msgid "Enter new organizer"
 msgstr ""
 
 #: project/forms/event.py:281 project/templates/event/create.html:4
-#: project/templates/event/create.html:68
+#: project/templates/event/create.html:71
 #: project/templates/manage/events.html:12
 #: project/templates/manage/organizers.html:21
 msgid "Create event"
@@ -725,7 +725,7 @@ msgid ""
 "Organizers."
 msgstr ""
 
-#: project/forms/event.py:336 project/templates/event/update.html:86
+#: project/forms/event.py:336 project/templates/event/update.html:89
 #: project/templates/oauth2_token/list.html:21
 msgid "Status"
 msgstr ""
@@ -734,23 +734,23 @@ msgstr ""
 msgid "EventStatus.scheduled"
 msgstr "Scheduled"
 
-#: project/forms/event.py:340 project/templates/layout.html:98
-#: project/templates/layout.html:113
+#: project/forms/event.py:340 project/templates/layout.html:109
+#: project/templates/layout.html:124
 msgid "EventStatus.cancelled"
 msgstr "Cancelled"
 
-#: project/forms/event.py:341 project/templates/layout.html:101
-#: project/templates/layout.html:116
+#: project/forms/event.py:341 project/templates/layout.html:112
+#: project/templates/layout.html:127
 msgid "EventStatus.movedOnline"
 msgstr "Moved online"
 
-#: project/forms/event.py:342 project/templates/layout.html:104
-#: project/templates/layout.html:119
+#: project/forms/event.py:342 project/templates/layout.html:115
+#: project/templates/layout.html:130
 msgid "EventStatus.postponed"
 msgstr "Postponed"
 
-#: project/forms/event.py:343 project/templates/layout.html:107
-#: project/templates/layout.html:122
+#: project/forms/event.py:343 project/templates/layout.html:118
+#: project/templates/layout.html:133
 msgid "EventStatus.rescheduled"
 msgstr "Rescheduled"
 
@@ -759,11 +759,11 @@ msgid "Select the status of the event."
 msgstr ""
 
 #: project/forms/event.py:348 project/templates/event/update.html:4
-#: project/templates/event/update.html:58
+#: project/templates/event/update.html:61
 msgid "Update event"
 msgstr ""
 
-#: project/forms/event.py:362 project/templates/_macros.html:1140
+#: project/forms/event.py:362 project/templates/_macros.html:1156
 #: project/templates/event/actions.html:47
 #: project/templates/event/delete.html:6
 msgid "Delete event"
@@ -784,7 +784,7 @@ msgid "Keyword"
 msgstr ""
 
 #: project/forms/event.py:374 project/forms/event_date.py:19
-#: project/forms/planing.py:17 project/templates/_macros.html:362
+#: project/forms/planing.py:17 project/templates/_macros.html:377
 msgid "Category"
 msgstr ""
 
@@ -793,8 +793,8 @@ msgid "Find events"
 msgstr ""
 
 #: project/forms/event_date.py:22 project/forms/planing.py:20
-#: project/templates/_macros.html:113 project/templates/_macros.html:296
-#: project/templates/admin_unit/create.html:27
+#: project/templates/_macros.html:128 project/templates/_macros.html:311
+#: project/templates/admin_unit/create.html:68
 #: project/templates/admin_unit/update.html:28
 #: project/templates/event_place/create.html:30
 #: project/templates/event_place/update.html:30
@@ -847,13 +847,13 @@ msgstr ""
 msgid "I would like to be notified by email after the review"
 msgstr ""
 
-#: project/forms/event_suggestion.py:52 project/templates/event/create.html:126
+#: project/forms/event_suggestion.py:52 project/templates/event/create.html:129
 msgid ""
 "Choose where the event takes place. If the venue is not yet in the list, "
 "just enter it."
 msgstr ""
 
-#: project/forms/event_suggestion.py:62 project/templates/event/create.html:100
+#: project/forms/event_suggestion.py:62 project/templates/event/create.html:103
 msgid ""
 "Select the organizer. If the organizer is not yet on the list, just enter"
 " it."
@@ -861,7 +861,7 @@ msgstr ""
 
 #: project/forms/event_suggestion.py:78
 #: project/templates/widget/event_suggestion/create.html:4
-#: project/templates/widget/event_suggestion/create.html:123
+#: project/templates/widget/event_suggestion/create.html:125
 msgid "Create event suggestion"
 msgstr ""
 
@@ -927,8 +927,8 @@ msgid "Weekdays"
 msgstr ""
 
 #: project/forms/reference.py:11 project/forms/reference_request.py:15
-#: project/templates/_macros.html:497 project/templates/_macros.html:657
-#: project/templates/admin_unit/create.html:17
+#: project/templates/_macros.html:512 project/templates/_macros.html:672
+#: project/templates/admin_unit/create.html:58
 #: project/templates/admin_unit/update.html:18
 msgid "Organization"
 msgstr ""
@@ -954,7 +954,7 @@ msgstr ""
 msgid "Delete request"
 msgstr ""
 
-#: project/forms/reference_request.py:27 project/templates/_macros.html:1257
+#: project/forms/reference_request.py:27 project/templates/_macros.html:1283
 #: project/templates/event_suggestion/review_status.html:18
 #: project/templates/reference_request/review_status.html:12
 msgid "Review status"
@@ -1000,206 +1000,206 @@ msgstr ""
 msgid "Deny"
 msgstr ""
 
-#: project/forms/widgets.py:149
+#: project/forms/widgets.py:147
 msgid "This field is required."
 msgstr ""
 
-#: project/templates/_macros.html:110 project/templates/_macros.html:385
-#: project/templates/_macros.html:392 project/templates/_macros.html:836
+#: project/templates/_macros.html:125 project/templates/_macros.html:400
+#: project/templates/_macros.html:407 project/templates/_macros.html:852
 msgid "Date"
 msgstr ""
 
-#: project/templates/_macros.html:112
+#: project/templates/_macros.html:127
 msgid "Host"
 msgstr ""
 
-#: project/templates/_macros.html:134
+#: project/templates/_macros.html:149
 msgid "Show all events"
 msgstr ""
 
-#: project/templates/_macros.html:150
+#: project/templates/_macros.html:165
 msgid "Show on Google Maps"
 msgstr ""
 
-#: project/templates/_macros.html:229
+#: project/templates/_macros.html:244
 msgid "Link"
 msgstr ""
 
-#: project/templates/_macros.html:339
+#: project/templates/_macros.html:354
 #, python-format
 msgid "Created at %(created_at)s by %(created_by)s."
 msgstr ""
 
-#: project/templates/_macros.html:341
+#: project/templates/_macros.html:356
 #, python-format
 msgid "Created at %(created_at)s."
 msgstr ""
 
-#: project/templates/_macros.html:346
+#: project/templates/_macros.html:361
 #, python-format
 msgid "Last updated at %(updated_at)s by %(updated_by)s."
 msgstr ""
 
-#: project/templates/_macros.html:348
+#: project/templates/_macros.html:363
 #, python-format
 msgid "Last updated at %(updated_at)s."
 msgstr ""
 
-#: project/templates/_macros.html:378 project/templates/_macros.html:554
+#: project/templates/_macros.html:393 project/templates/_macros.html:569
 #: project/templates/event/actions.html:12
-#: project/templates/event/create.html:75
+#: project/templates/event/create.html:78
 #: project/templates/event/delete.html:13
-#: project/templates/event/update.html:65
+#: project/templates/event/update.html:68
 #: project/templates/reference/delete.html:13
-#: project/templates/widget/event_suggestion/create.html:195
+#: project/templates/widget/event_suggestion/create.html:197
 msgid "Event"
 msgstr ""
 
-#: project/templates/_macros.html:388 project/templates/_macros.html:540
+#: project/templates/_macros.html:403 project/templates/_macros.html:555
 #, python-format
 msgid "%(count)d event dates"
 msgstr ""
 
-#: project/templates/_macros.html:421 project/templates/_macros.html:576
-#: project/templates/_macros.html:1320 project/templates/event/actions.html:32
+#: project/templates/_macros.html:436 project/templates/_macros.html:591
+#: project/templates/_macros.html:1346 project/templates/event/actions.html:32
 msgid "Share"
 msgstr ""
 
-#: project/templates/_macros.html:425 project/templates/_macros.html:580
-#: project/templates/_macros.html:1350
+#: project/templates/_macros.html:440 project/templates/_macros.html:595
+#: project/templates/_macros.html:1376
 msgid "Add to calendar"
 msgstr ""
 
-#: project/templates/_macros.html:459 project/templates/_macros.html:613
+#: project/templates/_macros.html:474 project/templates/_macros.html:628
 msgid "Show directions"
 msgstr ""
 
-#: project/templates/_macros.html:464 project/templates/_macros.html:618
+#: project/templates/_macros.html:479 project/templates/_macros.html:633
 msgid "The event takes place online."
 msgstr ""
 
-#: project/templates/_macros.html:466 project/templates/_macros.html:620
+#: project/templates/_macros.html:481 project/templates/_macros.html:635
 msgid "The event takes place both offline and online."
 msgstr ""
 
-#: project/templates/_macros.html:681 project/templates/event_date/list.html:4
+#: project/templates/_macros.html:696 project/templates/event_date/list.html:4
 #: project/templates/event_date/list.html:258
 #: project/templates/event_date/search.html:3
 #: project/templates/reference_request/review.html:30
 msgid "Event Dates"
 msgstr ""
 
-#: project/templates/_macros.html:753
+#: project/templates/_macros.html:769
 msgid "Search location on Google"
 msgstr ""
 
-#: project/templates/_macros.html:786 project/templates/_macros.html:788
+#: project/templates/_macros.html:802 project/templates/_macros.html:804
 #: project/templates/event_date/list.html:279
-#: project/templates/widget/event_suggestion/create.html:159
-#: project/templates/widget/event_suggestion/create.html:184
-#: project/templates/widget/event_suggestion/create.html:206
-#: project/templates/widget/event_suggestion/create.html:229
-#: project/templates/widget/event_suggestion/create.html:262
-#: project/templates/widget/event_suggestion/create.html:291
+#: project/templates/widget/event_suggestion/create.html:161
+#: project/templates/widget/event_suggestion/create.html:186
+#: project/templates/widget/event_suggestion/create.html:208
+#: project/templates/widget/event_suggestion/create.html:231
+#: project/templates/widget/event_suggestion/create.html:264
+#: project/templates/widget/event_suggestion/create.html:293
 msgid "Previous"
 msgstr ""
 
-#: project/templates/_macros.html:790
+#: project/templates/_macros.html:806
 #, python-format
 msgid "Page %(page)d of %(pages)d (%(total)d total)"
 msgstr ""
 
-#: project/templates/_macros.html:792 project/templates/_macros.html:794
+#: project/templates/_macros.html:808 project/templates/_macros.html:810
 #: project/templates/event_date/list.html:281
-#: project/templates/widget/event_suggestion/create.html:160
-#: project/templates/widget/event_suggestion/create.html:185
-#: project/templates/widget/event_suggestion/create.html:207
-#: project/templates/widget/event_suggestion/create.html:230
-#: project/templates/widget/event_suggestion/create.html:263
+#: project/templates/widget/event_suggestion/create.html:162
+#: project/templates/widget/event_suggestion/create.html:187
+#: project/templates/widget/event_suggestion/create.html:209
+#: project/templates/widget/event_suggestion/create.html:232
+#: project/templates/widget/event_suggestion/create.html:265
 msgid "Next"
 msgstr ""
 
-#: project/templates/_macros.html:859
+#: project/templates/_macros.html:875
 msgid "Radius"
 msgstr ""
 
-#: project/templates/_macros.html:1069
+#: project/templates/_macros.html:1085
 msgid "Edit image"
 msgstr ""
 
-#: project/templates/_macros.html:1090
+#: project/templates/_macros.html:1106
 msgid "Close"
 msgstr ""
 
-#: project/templates/_macros.html:1091
+#: project/templates/_macros.html:1107
 msgid "Okay"
 msgstr ""
 
-#: project/templates/_macros.html:1103
+#: project/templates/_macros.html:1119
 msgid "Choose image file"
 msgstr ""
 
-#: project/templates/_macros.html:1139 project/templates/event/actions.html:46
+#: project/templates/_macros.html:1155 project/templates/event/actions.html:46
 msgid "Edit event"
 msgstr ""
 
-#: project/templates/_macros.html:1142 project/templates/manage/events.html:30
+#: project/templates/_macros.html:1158 project/templates/manage/events.html:30
 msgid "More"
 msgstr ""
 
-#: project/templates/_macros.html:1217
+#: project/templates/_macros.html:1243
 msgid "Event suggestion"
 msgstr ""
 
-#: project/templates/_macros.html:1329
+#: project/templates/_macros.html:1355
 msgid "Link copied"
 msgstr ""
 
-#: project/templates/_macros.html:1329
+#: project/templates/_macros.html:1355
 msgid "Copy link"
 msgstr ""
 
-#: project/templates/_macros.html:1358
+#: project/templates/_macros.html:1384
 msgid "Google calendar"
 msgstr ""
 
-#: project/templates/_macros.html:1359
+#: project/templates/_macros.html:1385
 msgid "Apple calendar"
 msgstr ""
 
-#: project/templates/_macros.html:1360
+#: project/templates/_macros.html:1386
 msgid "Yahoo calendar"
 msgstr ""
 
-#: project/templates/_macros.html:1361
+#: project/templates/_macros.html:1387
 msgid "Other calendar"
 msgstr ""
 
-#: project/templates/home.html:27 project/templates/layout.html:192
+#: project/templates/home.html:27 project/templates/layout.html:203
 msgid "Manage"
 msgstr ""
 
 #: project/templates/home.html:29 project/templates/security/login_user.html:23
-#: project/views/widget.py:175
+#: project/views/widget.py:179
 msgid "Register for free"
 msgstr ""
 
-#: project/templates/event_place/read.html:22 project/templates/layout.html:195
+#: project/templates/event_place/read.html:22 project/templates/layout.html:206
 #: project/templates/layout_manage.html:24
 #: project/templates/manage/events.html:5
 #: project/templates/manage/events.html:9
 msgid "Events"
 msgstr ""
 
-#: project/templates/layout.html:196
+#: project/templates/layout.html:207
 msgid "Planing"
 msgstr ""
 
-#: project/templates/layout.html:197
+#: project/templates/layout.html:208
 msgid "Example"
 msgstr ""
 
-#: project/templates/layout.html:206
+#: project/templates/layout.html:217
 #: project/templates/oauth2_client/list.html:10
 #: project/templates/oauth2_client/read.html:10
 #: project/templates/oauth2_token/list.html:10 project/templates/profile.html:4
@@ -1209,15 +1209,15 @@ msgstr ""
 
 #: project/templates/admin/admin.html:3 project/templates/admin/admin.html:9
 #: project/templates/admin/admin_units.html:10
-#: project/templates/admin/users.html:10 project/templates/layout.html:209
+#: project/templates/admin/users.html:10 project/templates/layout.html:220
 msgid "Admin"
 msgstr ""
 
-#: project/templates/layout.html:213
+#: project/templates/layout.html:224
 msgid "Logout"
 msgstr ""
 
-#: project/templates/developer/read.html:4 project/templates/layout.html:268
+#: project/templates/developer/read.html:4 project/templates/layout.html:279
 #: project/templates/profile.html:29
 msgid "Developer"
 msgstr ""
@@ -1332,10 +1332,10 @@ msgstr ""
 msgid "Edit"
 msgstr ""
 
-#: project/templates/admin_unit/create.html:47
+#: project/templates/admin_unit/create.html:88
 #: project/templates/admin_unit/update.html:48
-#: project/templates/event/create.html:178
-#: project/templates/event/update.html:143
+#: project/templates/event/create.html:181
+#: project/templates/event/update.html:146
 #: project/templates/event_place/create.html:47
 #: project/templates/event_place/update.html:47
 #: project/templates/organizer/create.html:46
@@ -1440,18 +1440,18 @@ msgstr ""
 msgid "List all events of %(admin_unit_name)s"
 msgstr ""
 
-#: project/templates/event/create.html:85
-#: project/templates/event/update.html:75
+#: project/templates/event/create.html:88
+#: project/templates/event/update.html:78
 msgid "Event date"
 msgstr ""
 
-#: project/templates/event/create.html:151
-#: project/templates/event/update.html:116
+#: project/templates/event/create.html:154
+#: project/templates/event/update.html:119
 msgid "Access"
 msgstr ""
 
-#: project/templates/event/create.html:165
-#: project/templates/event/update.html:130
+#: project/templates/event/create.html:168
+#: project/templates/event/update.html:133
 msgid "Target group"
 msgstr ""
 
@@ -1643,15 +1643,15 @@ msgstr ""
 msgid "Print"
 msgstr ""
 
-#: project/templates/widget/event_suggestion/create.html:141
+#: project/templates/widget/event_suggestion/create.html:143
 msgid "Continue as guest"
 msgstr ""
 
-#: project/templates/widget/event_suggestion/create.html:240
+#: project/templates/widget/event_suggestion/create.html:242
 msgid "Optional details"
 msgstr ""
 
-#: project/templates/widget/event_suggestion/create.html:273
+#: project/templates/widget/event_suggestion/create.html:275
 msgid "Preview"
 msgstr ""
 
@@ -1762,6 +1762,10 @@ msgstr ""
 msgid "Event review status updated"
 msgstr ""
 
+#: project/views/js.py:20
+msgid "Short name is already taken"
+msgstr ""
+
 #: project/views/oauth2_client.py:37
 msgid "OAuth2 client successfully created"
 msgstr ""
@@ -1851,17 +1855,17 @@ msgstr ""
 msgid "You do not have permission for this action"
 msgstr ""
 
-#: project/views/widget.py:167
+#: project/views/widget.py:171
 msgid "Thank you so much! The event is being verified."
 msgstr ""
 
-#: project/views/widget.py:171
+#: project/views/widget.py:175
 msgid ""
 "For more options and your own calendar of events, you can register for "
 "free."
 msgstr ""
 
-#: project/views/widget.py:234
+#: project/views/widget.py:238
 msgid "New event review"
 msgstr ""
 
diff --git a/project/views/js.py b/project/views/js.py
new file mode 100644
index 0000000..ccda309
--- /dev/null
+++ b/project/views/js.py
@@ -0,0 +1,24 @@
+import json
+
+from flask import request
+from flask_babelex import gettext
+
+from project import app, csrf
+from project.models import AdminUnit
+
+
+@app.route("/js/check/organization/short_name", methods=["POST"])
+def js_check_org_short_name():
+    csrf.protect()
+
+    short_name = request.form["short_name"]
+    admin_unit_id = (
+        int(request.form["admin_unit_id"]) if "admin_unit_id" in request.form else -1
+    )
+    organization = AdminUnit.query.filter(AdminUnit.short_name == short_name).first()
+
+    if not organization or organization.id == admin_unit_id:
+        return json.dumps(True)
+
+    error = gettext("Short name is already taken")
+    return json.dumps(error)
diff --git a/tests/utils.py b/tests/utils.py
index ea48b53..ebedecf 100644
--- a/tests/utils.py
+++ b/tests/utils.py
@@ -14,6 +14,7 @@ class UtilActions(object):
         self._refresh_token = None
         self._client_id = None
         self._client_secret = None
+        self._ajax_csrf = None
 
     def get_access_token(self):
         return self._access_token
@@ -82,6 +83,15 @@ class UtilActions(object):
             re.search(pattern.encode("utf-8"), response.data).group(1).decode("utf-8")
         )
 
+    def get_ajax_csrf(self, response):
+        pattern = 'var csrf_token = "(.*)";'
+        match = re.search(pattern.encode("utf-8"), response.data)
+
+        if not match:
+            return None
+
+        return match.group(1).decode("utf-8")
+
     def create_form_data(self, response, values: dict) -> dict:
         from tests.form import Form
 
@@ -102,6 +112,9 @@ class UtilActions(object):
         if self._access_token:
             headers["Authorization"] = f"Bearer {self._access_token}"
 
+        if self._ajax_csrf:
+            headers["X-CSRFToken"] = self._ajax_csrf
+
         return headers
 
     def log_request(self, url):
@@ -187,7 +200,12 @@ class UtilActions(object):
         return url
 
     def get(self, url):
-        return self._client.get(url)
+        response = self._client.get(url)
+
+        if response.status_code == 200:
+            self._ajax_csrf = self.get_ajax_csrf(response)
+
+        return response
 
     def get_ok(self, url):
         response = self.get(url)
diff --git a/tests/views/test_js.py b/tests/views/test_js.py
new file mode 100644
index 0000000..a0c6e96
--- /dev/null
+++ b/tests/views/test_js.py
@@ -0,0 +1,37 @@
+def test_js_check_org_short_name(client, seeder, utils):
+    seeder.create_user(admin=True)
+    utils.login()
+
+    url = utils.get_url("admin_unit_create")
+    response = utils.get(url)
+
+    with client:
+        url = utils.get_url("js_check_org_short_name")
+        response = utils.post_form_data(
+            url,
+            {
+                "short_name": "meinecrew",
+            },
+        )
+        utils.assert_response_ok(response)
+        assert response.data == b"true"
+
+
+def test_js_check_org_short_name_exists(client, seeder, utils):
+    seeder.create_user(admin=True)
+    user_id = utils.login()
+    seeder.create_admin_unit(user_id, "Meine Crew")
+
+    url = utils.get_url("admin_unit_create")
+    response = utils.get(url)
+
+    with client:
+        url = utils.get_url("js_check_org_short_name")
+        response = utils.post_form_data(
+            url,
+            {
+                "short_name": "meinecrew",
+            },
+        )
+        utils.assert_response_ok(response)
+        assert response.data == b'"Der Kurzname ist bereits vergeben"'