| Aula der Realschule | Aula der Realschule | Germany, Dannenberg | 1980-02-02 | -- | 1980 | 1 | |
| Aula der Städtische Realschule | Aula der Städtische Realschule | Germany, Wermelskirchen, Rot-Kreuz-Straße 8 | 2002-11-30 | -- | 2002 | 1 | |
| Aula der Städtischen Realschule | Aula der Städtischen Realschule | Germany, Geilenkirchen, Gillesweg 1 | 2007-05-22 | -- | 2007 | 1 | |
| Aula der Wolfgang-Borchert-Realschule | Aula der Wolfgang-Borchert-Realschule | Germany, Hattingen | 1980-03-23 | -- | 1980 | 1 | |
| Aula des Gymnasium Alfeld | Aula des Gymnasium Alfeld | Germany, Alfeld (Leine), Antonianger 22C | 2005-10-20 | -- | 2005 | 1 | |
| Aula des Gymnasiums | Aula des Gymnasiums | Germany, Petrinum Brilon, Zur Jakobuslinde 21 | 2002-01-21 | -- | 2002 | 1 | |
| Aula des Gymnasiums Remigianum | Aula des Gymnasiums Remigianum | Germany, Borken | 1980-01-10 | -- | 1980 | 1 | |
| Aula des Josef-Albers-Gymnasium | Aula des Josef-Albers-Gymnasium | Germany, Bottrop, Zeppelinstraße 20 | 1999-01-25 | 1999-01-25 | 1999–2015 | 2 | |
| Aula des Schulzentrums Büschergrund | Aula des Schulzentrums Büschergrund | Germany, Freudenberg, Hausmeister Löw, Schulzentrum | 2007-02-17 | -- | 2007 | 1 | |
| Aula des Schulzentrums Königswinter-Oberpleis | Aula des Schulzentrums Königswinter-Oberpleis | Germany, Königswinter, Dollendorfer Straße 66 | 2007-03-12 | -- | 2007 | 1 | |
| Aula des Stift Gymnasiums | Aula des Stift Gymnasiums | Germany, Düren | 1980-03-31 | -- | 1980 | 1 | |
| Aula Egg | Aula Egg | Switzerland, Frenkendorf, Schulanlage Egg | 1986-04-11 | 1986-04-25 | 1986 | 1 | |
| Aula Gymnasium Alleestrasse | Aula Gymnasium Alleestrasse | Germany, Siegburg | 1980-01-26 | -- | 1980 | 1 | |
| Aula Lettenweg 25 in Allschwil | Aula Lettenweg 25 in Allschwil | Switzerland, Allschwil, Lettenweg 25 | 2012-06-01 | 2012-06-03 | 2012 | 1 | |
| Aula Nikolaus-Cusanus-Gymnasium | Aula Nikolaus-Cusanus-Gymnasium | Germany, Bergisch-Gladbach | 1980-01-09 | -- | 1980 | 1 | |
| Aulaen | Aulaen | Norway, Horten | 1965-09-12 | -- | 1965–1969 | 3 | |
| Aulaen AID | Aulaen AID | Norway, Grimstad | 1984-11-28 | -- | 1984–1985 | 2 | |
| Aulaen i Verdal | Aulaen i Verdal | Norway, Verdal, Verdal | 2012-11-05 | 2020-10-26 | 2012–2022 | 3 | |
| Auraria Theatre, University of Colorado | Auraria Theatre, University of Colorado | United States, Denver | 2012-04-08 | -- | 2012 | 1 | |
| Aure | Aure | Norway, Aure | 1995-10-22 | -- | 1995 | 1 | |
| Aure barne- og ungdomsskole | Aure barne- og ungdomsskole | Norway, Aure, Aure | 2007-03-19 | -- | 2007 | 1 | |
| Aure Ungdomsskole | Aure Ungdomsskole | Norway, Aure | 1990-04-03 | -- | 1990 | 1 | |
| Aurora | Aurora | United States, Aurora | 1903-12-16 | 1903-12-16 | 1903 | 1 | |
| Aurora Theatre Company | Aurora Theatre Company | United States, Berkeley, 2081 Addison Street | 2001-04-06 | 2006-03-12 | 2001–2016 | 3 | |
| Aurora Turner Hall | Aurora Turner Hall | United States, Chicago, 3124 N. Clark Street | 1882-05-20 | -- | 1882 | 1 | |
| Aust-Agder | Aust-Agder | Norway, Aust-Agder | 2000-11-08 | 2000-11-20 | 2000 | 1 | |
| Australia | Australia | Australia | 1958-11-05 | -- | 1958–1984 | 4 | |
| Australia | Australia | Australia | 2015-06-04 | -- | 2015 | 1 | |
| Austrheim Samfunnshus | Austrheim Samfunnshus | Norway, Mastrevik | 1989-10-08 | -- | 1989 | 1 | |
| Austria | Austria | Austria | 1918-03-15 | -- | 1918–1964 | 3 | |
| Austråtborgen | Austråtborgen | Norway, Austråt | 1983-06-11 | 1984-08-26 | 1983–1984 | 2 | |
| Aux Dog Theatre | Aux Dog Theatre | United States, Albuquerque, 3011 Monte Vista Blvd NE | 2013-08-09 | 2013-09-01 | 2013 | 1 | |
| Avalon Repertory Theatre | Avalon Repertory Theatre | United States, New York, 488 Madison Ave | 1990-02-08 | 1990-02-25 | 1990 | 1 | |
| Aventure, Théâtre de l' | Théâtre de l'Aventure | France, Hem, 27 Rue des Écoles | 2010-03- | 2010-03- | 2010 | 1 | |
| Avenue Theatre | Avenue Theatre | United States, Detroit | 1903-12-30 | 1903-12-30 | 1903 | 1 | |
| Avenue Theatre | Avenue Theatre | England, Ealing, London, 268 Northfield Avenue | 1892-04-19 | 1896-12-19 | 1892–1896 | 3 | |
| Avenue Theatre | Avenue Theatre | United States, Brockway | 1904-05-07 | 1904-05-07 | 1904 | 1 | |
| Aveny Teatret | Aveny Teatret | Denmark, 1820 Frederiksberg, Frederiksberg Allé 102 | 1986-12-11 | -- | 1986 | 1 | |
| Avenyteatern | Avenyteatern | Sweden, Ludvika, Carlavägen 24 | 2010-10-27 | -- | 2010 | 1 | |
| Avery Hall, Vassar College | Avery Hall, Vassar College | United States, Poughkeepsie | 1941-02-21 | 1951-03-17 | 1941–1951 | 3 | |
| Averøy ungdomskole | Averøy ungdomskole | Norway, Averøy, Bruhagen | 2007-03-27 | -- | 2007 | 1 | |
| Avesta | Avesta | Sweden, Avesta | 1991-03-06 | 1991-03-06 | 1991 | 1 | |
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