| Arena Stage | Arena Stage | United States of America, Washington D.C., 1101 6th Street Southwest | 1990-03-02 | 1995-03-19 | 1990–1995 | 2 | |
| Asamtheater Freising | Asamtheater Freising | Germany, Freising, Marienplatz 7 | 1980-03-09 | -- | 1980–2017 | 2 | |
| Aiud | Aiud | Romania, Aiud | 1890-01-11 | -- | 1890–1911 | 2 | |
| Arts Council of Pakistan Karachi | Arts Council of Pakistan Karachi | Pakistan, Karachi, M.R Kyani Road | 2007-02-15 | 2024-10-20 | 2007–2024 | 2 | |
| Aalborg | Aalborg | Denmark, Aalborg | 1873-10-30 | -- | 1873–1874 | 2 | |
| Adana | Adana | Turkey, Adana | 1987-- | 1988-- | 1987 | 2 | |
| Ashcroft Theatre | Ashcroft Theatre | England, Croydon, Park Lane | 1962-11-19 | 1972-06-10 | 1962–1972 | 2 | |
| Ankara State Theatre | Ankara Devlet Tiyatrosu (Ankara State Theatre) | Turkey, Kavaklidere, Ankara, Atatürk Bulvarı, No: 227 | 1977-- | 2015-- | 1977–2014 | 2 | |
| Aoyamaenkei gekijō | Aoyamaenkei gekijō (Aoyama Round Theatre) | Japan, Shibuya, Tokyo, 5-53-1 Jingumae | 1989-12-06 | 1990-06-28 | 1989–1990 | 2 | |
| Auditorio Municipal Rois | Auditorio Municipal Rois | Spain, Rois, Aldea Samil 1 | 2023-10-14 | -- | 2023 | 2 | |
| Auditori Teatre | Auditori Teatre | Spain, Calldetenes, Plaça Onze de Setembre, S/N | 2008-09-06 | -- | 2008–2025 | 2 | |
| Akademičeskij Malyj dramatičeskij teatr – Teatr Evropy | Akademičeskij Malyj dramatičeskij teatr – Teatr Evropy (Academic Maly Drama Theatre – Theatre of Europe) | Russia, St. Petersburg, 18 Rubinshteina Street | 2011-03-15 | -- | 2011–2013 | 2 | |
| Aulaen AID | Aulaen AID | Norway, Grimstad | 1984-11-28 | -- | 1984–1985 | 2 | |
| Augustana Theatre | Augustana Theatre | Canada, Camrose, 4901 46 Ave | 2007-03-15 | 2011-11-26 | 2007–2011 | 2 | |
| Auditorio Municipal Gustavo Freire | Auditorio Municipal Gustavo Freire | Spain, Lugo, Parque da Milagrosa, Av. de A Coruña, s/n, 27003 | 2023-04-13 | -- | 2023–2025 | 2 | |
| ARD (Germany) | ARD (Germany) | Germany | 1961-10-12 | -- | 1961–1980 | 2 | |
| 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 | |
| Aleksandriskij teatr | Aleksandriskij teatr | Russia, St Petersburg, Russland, Ostrovskogo Square, 6 | 1917-12-15 | -- | 1917–2011 | 2 | |
| Academy of Fine Arts, Kolkata | Academy of Fine Arts, Kolkata | India, Kolkata, 2, Cathedral Road | 2004-01- | -- | 2004–2006 | 2 | |
| Arts Centre, The | The Arts Centre | England, Ormskirk, Edge Hill University, St Helens Road | 2011-03-23 | 2014-10-16 | 2011–2014 | 2 | |
| Ardhowen Theatre | Ardhowen Theatre | Northern Ireland, Enniskillen, 97 Dublin Road | 2007-03-10 | -- | 2007–2011 | 2 | |
| Akademietheater | Akademietheater | Austria, Wien, Lisztstraße 1 | 1979-10-17 | -- | 1979–2012 | 2 | |
| Altmärkisches Landestheater Stendal | Altmärkisches Landestheater Stendal | Germany, Stendal, Karlstraße 6 | 1930-11-02 | -- | 1930–1936 | 2 | |
| Arnstadt | Arnstadt | Germany | 1967-11-29 | -- | 1967–2010 | 2 | |
| Aplo Theatro | Aplo Theatro (Simple Theatre) | Greece, Kallithea, 4 Charilaou Trikoupi Street | 1991-12-25 | 2005-04-24 | 1991–2004 | 2 | |
| Årdalstangen | Årdalstangen | Norway, Årdalstangen | 1971-02-26 | -- | 1971–1996 | 2 | |
| Alexanders Teatern | Alexanders Teatern | Finland, Helsinki, Bulevarden 23-27 | 1886-10-12 | 1886-10-14 | 1886–1895 | 2 | |
| Aesthetic Realism Foundation | Aesthetic Realism Foundation | United States of America, New York, 141 Greene Street | 2001-10-21 | -- | 2001–2009 | 2 | |
| Arbeiderforeningen | Arbeiderforeningen | Norway, Tønsberg, Kammegaten 5 | 1927-09-09 | 1952-02-11 | 1927–1952 | 2 | |
| Arena Borghesi | Arena Borghesi | Italy, Faenza, Viale Stradone 2 | 1900-07-06 | 1900-07-06 | 1900 | 2 | |
| Apalløkka skole | Apalløkka skole | Norway, Oslo, Tjernveien 12 | 2005-11-01 | -- | 2005–2006 | 2 | |
| Ankara DT big Theatre | Ankara Devlet Tiyatrosu Büyük Tiyatro (Ankara State Theatre Big Theatre) | Turkey, Ankara, Atatürk Bulvarı No:50 ULUS | 1956-03-10 | 2008-- | 1956–2007 | 2 | |
| Arbeiderforeningen | Arbeiderforeningen | Norway, Trondheim | 1995-01-28 | -- | 1995–1996 | 2 | |
| Atelier Théâtre Jean Vilar | Atelier Théâtre Jean Vilar | Belgium, Louvain-la-Neuve, Place de l'Hocaille 6 | 2002-01-17 | 2025-11-15 | 2002–2025 | 2 | |
| Alhamra Hall No. 1 | Alhamra Hall No. 1 | Pakistan, Lahore, The mall | 2006-04-24 | 2006-04-27 | 2006 | 2 | |
| Alcalá de Henares | Alcalá de Henares | Spain, Alcalá de Henares | 2010-10-23 | 2011-01-24 | 2010–2011 | 2 | |
| Agassiz Theatre | Agassiz Theatre | United States of America, Cambridge, 5 James St Harvard University, Radcliffe Institute | 1957-10-27 | 1992-11-14 | 1957–1992 | 2 | |
| American Theatre | American Theatre | United States of America, Hampton, 125 E Mellen St | 2010-03-07 | -- | 2010 | 2 | |
| Arnim-Gymnasium | Arnim-Gymnasium | Germany, Dormagen, Haberlandstr. 14 | 2002-01-23 | -- | 2002–2006 | 2 | |
| Academy of Music | Academy of Music | United States of America, Charlotte | 1903-10-13 | 1904-10-28 | 1903–1904 | 2 | |
| Auburn University at Montgomery | Auburn University at Montgomery | United States of America, Montgomery, 7300 University Drive | 1981-11-14 | 1999-10-17 | 1981–1999 | 2 | |
| Atorie sentio | Atorie sentio (Atelier Sentio) | Japan, Tokyo, Toshima | 2008-07-17 | 2009-05-25 | 2008–2009 | 2 | |
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