| Amphion Theatre | Amphion Theatre | United States of America, New York | 1895-11-18 | 1895-11-18 | 1895 | 1 | |
| Arbeiterkammersaal Feldkirch | Arbeiterkammersaal Feldkirch | Austria, Feldkirch, Widnau 2 | 1981-02-18 | -- | 1981–2006 | 3 | |
| American Conservatory Theatre, The | The American Conservatory Theatre | United States of America, San Francisco, 405 Geary Street | 1971-02-17 | 1977-12-12 | 1971–1983 | 5 | |
| Auditorio Municipal de Albacete | Auditorio Municipal de Albacete | Spain, Albacete, Plaza de la Catedral, s/n | 2005-11-05 | 2005-11-05 | 2005 | 1 | |
| Ashikaga | Ashikaga | Japan, Ashikaga | -- | -- | | | |
| Adana Büyükşehir Belediyesi Tiyatro Salonu | Adana Büyükşehir Belediyesi Tiyatro Salonu (Adana Metropolitan Municipality Theater Hall) (Haci Omer Culture Center Theatre Stage) | Turkey, Seyhan/ADANA, Hacı Ömer Sabancı Kültür Merkezi Adana Devlet Tiyatrosu Sahnesi | 2023-10-16 | 2023-10-17 | 2023 | 1 | |
| Annaberg | Annaberg | Germany, Annaberg-Buchholz | 1878-- | -- | 1878 | 1 | |
| Arendal | Arendal | Norway, Arendal | 1897-03-18 | 1971-10-09 | 1897–1971 | 4 | |
| Aula des Gymnasium Alfeld | Aula des Gymnasium Alfeld | Germany, Alfeld (Leine), Antonianger 22C | 2005-10-20 | -- | 2005 | 1 | |
| Atorie sentio | Atorie sentio (Atelier Sentio) | Japan, Tokyo, Toshima | 2008-07-17 | 2009-05-25 | 2008–2009 | 2 | |
| Ann Arbour | Ann Arbour | United States of America, Ann Arbour | 1903-11-30 | 1903-11-30 | 1903 | 1 | |
| Ås | Ås | Norway, Ås | 1971-09-07 | -- | 1971 | 1 | |
| Auditório Municipal Eunice Muñoz | Auditório Municipal Eunice Muñoz | Portugal, Oeiras, Rua Mestre de Aviz | 2009-10-03 | 2009-12-20 | 2009 | 1 | |
| Auditorium Comunale Padre A.Zucchi | Auditorium Comunale Padre A.Zucchi | Italy, Cermenate, Via G. B. Grassi, 27, 22072 | 2024-01-28 | -- | 2024 | 1 | |
| Aula de Teatro de la Universidad de Burgos | Aula de Teatro de la Universidad de Burgos | Spain, Burgos | 1991-06-27 | -- | 1991 | 1 | |
| Agorà Teatro | Agorà Teatro | Switzerland, Magliaso, via fiume 4 | 2011-01-22 | 2011-04-03 | 2011 | 1 | |
| Alexandria | Alexandria | Romania, Alexandria | -- | -- | | | |
| Aesthetic Realism Foundation | Aesthetic Realism Foundation | United States of America, New York, 141 Greene Street | 2001-10-21 | -- | 2001–2009 | 2 | |
| Academy Theatre | Academy Theatre | Australia, Brisbane, Elizabeth Street | 1959-08-25 | -- | 1959 | 1 | |
| Arcola Theatre Studio 2 | Arcola Theatre Studio 2 | England, London, 24 Ashwin Street | -- | -- | | | |
| Art Tower Mito Theatre | Art Tower Mito Theatre | Japan, Mito, 6-8 Gokencho | 1993-04-01 | 1993-04-11 | 1993 | 1 | |
| Aula des Schulzentrums Königswinter-Oberpleis | Aula des Schulzentrums Königswinter-Oberpleis | Germany, Königswinter, Dollendorfer Straße 66 | 2007-03-12 | -- | 2007 | 1 | |
| Aizpute | Aizpute | Latvia, Aizpute | -- | -- | | | |
| Aremark skole | Aremark skole | Norway, Aremark, Aremark | 2005-11-22 | -- | 2005 | 1 | |
| Aoyamaenkei gekijō | Aoyamaenkei gekijō (Aoyama Round Theatre) | Japan, Shibuya, Tokyo, 5-53-1 Jingumae | 1989-12-06 | 1990-06-28 | 1989–1990 | 2 | |
| Atelier du Rhin au Théâtre municipal de Colmar | Atelier du Rhin au Théâtre municipal de Colmar | France, Colmar, 3 Rue des Unterlinden | 2002-03-01 | -- | 2002 | 1 | |
| Auditorium Concordia di San Vito al Tagliamento | Auditorium Concordia di San Vito al Tagliamento | Italy, San Vito al Tagliamento, Piazzale Zotti, 1 | 2008-02-24 | -- | 2008 | 1 | |
| Alte Feuerwache | Alte Feuerwache | Germany, Saarbrücken, Landwehrplatz 1 | 2002-05-04 | 2016-05-20 | 2002–2016 | 4 | |
| Actors Theatre of Louisville | Actors Theatre of Louisville | United States of America, Louisville, 316 West Main St. | 1972-02-10 | 2013-04-07 | 1972–2013 | 2 | |
| ADC Theatre | ADC Theatre | England, Cambridge, Park St | 1999-10-02 | 2022-03-12 | 1999–2022 | 4 | |
| Aula Brandenburger Straße | Aula Brandenburger Straße | Germany, Wittmund, Kurt-Schwitters-Platz 1 | 2010-04-15 | -- | 2010 | 1 | |
| Auditorio Municipal de Colmenar Viejo | Auditorio Municipal de Colmenar Viejo | Spain, Colmenar Viejo (Madrid), Calle del Molino de Viento | 2019-06-01 | 2019-06-02 | 2019 | 1 | |
| Actors Bridge Studio | Actors Bridge Studio | United States of America, Nashville, 4610 Charlotte Ave | 2018-02-28 | 2018-03-03 | 2018 | 1 | |
| Arbeideren | Arbeideren | Norway, Kabelvåg, Nordland | 1994-03-19 | -- | 1994 | 1 | |
| Avenyteatern | Avenyteatern | Sweden, Ludvika, Carlavägen 24 | 2010-10-27 | -- | 2010 | 1 | |
| Abbesses, Théâtre des | Théâtre des Abbesses | France, Paris, 31 Rue des Abbesses | 2015-02-04 | 2015-02-15 | 2015 | 1 | |
| Altonaer Stadttheater | Altonaer Stadttheater | Germany, Hamburg, Königstrasse | 1888-04-10 | 1928-06-03 | 1888–1938 | 49 | |
| An Grianan Theatre | An Grianan Theatre | Ireland, Letterkenny, Port Rd | 2011-05-23 | -- | 2011 | 1 | |
| Arto Théâtre | Théâtre Arto | France, Avignon, 3 Rue Râteau | 2017-07-07 | 2017-07-30 | 2017 | 1 | |
| Åndalsnes | Åndalsnes | Norway, Åndalsnes | 1958-02-03 | 1993-11-29 | 1958–1997 | 5 | |
| A.T.F. ( University of Arts Târgu Mureş) | A.T.F. ( University of Arts Târgu Mureş) | Romania, Târgu-Mureș, Strada Köteles Sámuel 6 | 1958-06-20 | 1958-06-25 | 1958–1970 | 2 | |
| Architektenhaus | Architektenhaus | Germany, Berlin, Wilhelmstr. 92 | 1887-01-02 | 1887-01-16 | 1887 | 1 | |
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