| Ål kulturhus | Ål kulturhus | Norway, Ål, Ål kulturhus | 1997-10-15 | 2021-02-14 | 1997–2021 | 11 | |
| Arts Centre, The | The Arts Centre | England, Buxton | 2017-07-10 | 2017-07-12 | 2017 | 1 | |
| Aula der Jacob Lienau Realschule | Aula der Jacob Lienau Realschule | Germany, Neustadt-Holstein, Schulstraße 4 | 1997-09-30 | 1997-09-30 | 1997 | 1 | |
| Å Samfunnshus | Å Samfunnshus | Norway, Jerpstad | 1959-02-04 | -- | 1959–1961 | 3 | |
| Arbeidersamfundet | Arbeidersamfundet | Norway, Bodø | 1894-02-01 | -- | 1894–1928 | 3 | |
| Arosa | Arosa | Switzerland, Arosa | -- | -- | | | |
| Ark Theatre Company | Ark Theatre Company | United States, Los Angeles, 2511 Wilshire Blvd | 2008-05-08 | 2008-06-14 | 2008 | 1 | |
| Alta Kultursal | Alta Kultursal | Norway, Alta, Follumsvei 33 | 2006-11-08 | -- | 2006–2017 | 5 | |
| Academy of Fine Arts, Kolkata | Academy of Fine Arts, Kolkata | India, Kolkata, 2, Cathedral Road | 2004-01- | -- | 2004–2006 | 2 | |
| Amfissa | Amfissa | Greece, Amfissa | 1981-11-13 | -- | 1981 | 1 | |
| Aalborg | Aalborg | Denmark, Aalborg | 1873-10-30 | -- | 1873–1874 | 2 | |
| Asker | Asker | Norway, Asker | 1982-10-30 | -- | 1982 | 1 | |
| Avery Hall, Vassar College | Avery Hall, Vassar College | United States, Poughkeepsie | 1941-02-21 | 1951-03-17 | 1941–1951 | 3 | |
| Abbey Theatre | Abbey Theatre | Ireland, Dublin, 26 Lower Abbey Street | 1918-06-10 | 2015-05-16 | 1918–2015 | 11 | |
| Adams Memorial Theatre | Adams Memorial Theatre | United States, Williamstown, 1000 Main Street | 1967-06-30 | 2000-07-30 | 1967–2000 | 4 | |
| Auditorio Medina del Campo | Auditorio Medina del Campo | Spain, Medina del Campo,, Plaza Segovia, s/n | 2016-09-24 | -- | 2016 | 1 | |
| Ashland | Ashland | United States, Ashland | 1903-11-21 | 1903-11-21 | 1903 | 1 | |
| Arena Borghesi | Arena Borghesi | Italy, Faenza, Viale Stradone 2 | 1900-07-06 | 1900-07-06 | 1900 | 2 | |
| Aluljáró Színház | Aluljáró Színház | Hungary, Budapest | 1996-12-15 | -- | 1996 | 1 | |
| Amphitheater am Stoa | Amphitheater am Stoa | Germany, Edling, Kesselseestraße | 1999-06-29 | -- | 1999 | 1 | |
| Annenberg Center | Annenberg Center | United States, Philadelphia, 3680 Walnut Street | 1993-04-23 | 1993-05-16 | 1993 | 1 | |
| Akademija za gledališče, radio, film in televizijo | Akademija za gledališče, radio, film in televizijo | Slovenia, Ljubljana, Nazorjeva ulica 3 | 1981-05-15 | -- | 1981–2003 | 3 | |
| Albury | Albury | Australia, Albury | 1891-07-04 | -- | 1891 | 1 | |
| Åmot ungdomsskule | Åmot ungdomsskule | Norway, Rena, Åmot | 2004-10-21 | -- | 2004 | 1 | |
| Aula Nikolaus-Cusanus-Gymnasium | Aula Nikolaus-Cusanus-Gymnasium | Germany, Bergisch-Gladbach | 1980-01-09 | -- | 1980 | 1 | |
| Akasaka Red Theater | Akasaka Red Theater | Japan, Tokyo, 3-10-9 Akasaka, Minato-ku | 2009-07-08 | 2009-07-14 | 2009 | 1 | |
| Agorà Teatro | Agorà Teatro | Switzerland, Magliaso, via fiume 4 | 2011-01-22 | 2011-04-03 | 2011 | 1 | |
| ANKER Leipzig | ANKER Leipzig | Germany, Leipzig, Renftstraße 1 | 2006-06-21 | -- | 2006 | 1 | |
| Arts Centre, The | The Arts Centre | England, Ormskirk, Edge Hill University, St Helens Road | 2011-03-23 | 2014-10-16 | 2011–2014 | 2 | |
| Aithousa Technis | Aithousa Technis | Greece, Kozani, Trion Ierarchon 2 | 2011-12-05 | -- | 2011 | 1 | |
| Aesthetic Realism Foundation | Aesthetic Realism Foundation | United States, New York, 141 Greene Street | 2001-10-21 | -- | 2001–2009 | 2 | |
| Avalon Repertory Theatre | Avalon Repertory Theatre | United States, New York, 488 Madison Ave | 1990-02-08 | 1990-02-25 | 1990 | 1 | |
| Academy of Music | Academy of Music | United States, Charlotte | 1903-10-13 | 1904-10-28 | 1903–1904 | 2 | |
| Arto Théâtre | Théâtre Arto | France, Avignon, 3 Rue Râteau | 2017-07-07 | 2017-07-30 | 2017 | 1 | |
| Arendal Kulturhus (Lille Torungen) | Arendal Kulturhus (Lille Torungen) | Norway, Arendal, Sam Eydes Plass 1 | 2011-09-24 | 2011-09-27 | 2011 | 1 | |
| Alingsås | Alingsås | Sweden, Alingsås | 1989-11-23 | 1989-11-23 | 1989 | 1 | |
| Arnstadt | Arnstadt | Germany | 1967-11-29 | -- | 1967–2010 | 2 | |
| Amtshaus | Amtshaus | Switzerland, Kaiserstuhl, Hauptgasse 34, | 2013-04-13 | 2013-06-30 | 2013 | 1 | |
| Arcola Theatre Studio 2 | Arcola Theatre Studio 2 | England, London, 24 Ashwin Street | 2011-06-29 | 2011-07-30 | 2011 | 1 | |
| Aberystwyth Arts Centre | Aberystwyth Arts Centre | Wales, Dyfed, Aberystwyth University, Penglais Campus, Aberystwyth | 1991-03-16 | 1991-03-23 | 1991 | 1 | |
| Adelaide Festival Centre | Adelaide Festival Centre | Australia, Adelaide, King William St | 2012-09-19 | 2012-09-21 | 2012 | 1 | |
| Aula der Städtischen Realschule | Aula der Städtischen Realschule | Germany, Geilenkirchen, Gillesweg 1 | 2007-05-22 | -- | 2007 | 1 | |
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