| Aithousa Xrysostomos | Aithousa Xrysostomos | Greece, Crete, Chania | 1912-11-02 | -- | 1912 | 1 | |
| Aithousa Vasileios Pyrsinellas | Aithousa Vasileios Pyrsinellas | Greece, Ioannina | 2005-02-10 | -- | 2005 | 1 | |
| Aplo Theatro | Aplo Theatro (Simple Theatre) | Greece, Kallithea, 4 Charilaou Trikoupi Street | 1991-12-25 | 2005-04-24 | 1991–2004 | 2 | |
| Aithousa Neiraia | Aithousa Neiraia | Greece, Naousa, Paros | 2011-11-11 | 2011-11-12 | 2011 | 1 | |
| Aithousa Anaplaseos | Aithousa Anaplaseos | Greece, Pyrgos | 1912-09-05 | -- | 1912 | 1 | |
| Aluljáró Színház | Aluljáró Színház | Hungary, Budapest | 1996-12-15 | -- | 1996 | 1 | |
| Állami Déryné Szinház | Állami Déryné Szinház | Hungary, Budapest | 1962-02-24 | -- | 1962 | 1 | |
| Arizona Színház | Arizona Színház | Hungary, Budapest | 1991-11-29 | -- | 1991 | 1 | |
| Állatkerti Szabadtéri Színpad | Állatkerti Szabadtéri Színpad | Hungary, Budapest, Állatkerti krt. 6-12 | 1947-07-16 | -- | 1947 | 1 | |
| Agartala | Agartala | India, Agartala | 2009-11-04 | -- | 2009 | 1 | |
| Academy of Fine Arts, Kolkata | Academy of Fine Arts, Kolkata | India, Kolkata, 2, Cathedral Road | 2004-01- | -- | 2004–2006 | 2 | |
| Anahita Theatre | Anahita Theatre | Iran, Tehran | 1959-08-25 | -- | 1959 | 1 | |
| Al-Masrah al-Watani al-Iraqi | Al-Masrah al-Watani al-Iraqi (Iraqi National Theatre) | Iraq, Baghdad, National Theatre | 1975-03-08 | 1975-03-08 | 1975 | 1 | |
| Akademia hunerejwanekany Duhok | ئەکادیمیای هونەرە جوانەکانی دهۆک Duhok Academia of Fine Arts (Akadimiay Hunerejwanekany Duhok) | Iraq, Duhok, Zakho way | 2009-05-23 | 2009-05-30 | 2009 | 1 | |
| Abbey Theatre | Abbey Theatre | Ireland, Dublin, 26 Lower Abbey Street | 1918-06-10 | 2023-05-13 | 1918–2023 | 12 | |
| Abbey Stage | Abbey Stage | Ireland, Dublin, 26/27 Abbey Street Lower | 2010-10-06 | 2011-02-06 | 2010 | 1 | |
| Antient Concert Rooms | Antient Concert Rooms | Ireland, Dublin, 52 Great Brunswick Street | 1903-04-16 | 1904-04-21 | 1903–1904 | 2 | |
| An Grianan Theatre | An Grianan Theatre | Ireland, Letterkenny, Port Rd | 2011-05-23 | -- | 2011 | 1 | |
| Al-Motran, Jerusalem | Al-Motran, Jerusalem | Israel, Jerusalem | 2008-10-05 | 2008-10-20 | 2008 | 1 | |
| Al-Masrah Al-Watani Al-Filistini | Al-Masrah Al-Watani Al-Filistini (Al Hakawati, Palestinian National Theatre) | Israel, Jerusalem, 4 Abu Obiedah Ibn Al Jarah Street | 2006-01-27 | 2006-06-17 | 2006–2008 | 2 | |
| Amalfi | Amalfi | Italy, Amalfi | 1999-07-04 | -- | 1999 | 1 | |
| Ancona | Ancona | Italy, Ancona | 1892-09-29 | -- | 1892 | 1 | |
| Asti | Asti | Italy, Asti | 1908-11-01 | 1934-05-04 | 1908–1934 | 2 | |
| Arena del Sole | Arena del Sole | Italy, Bologna, Via dell'Indipendenza, 43-47 | 1898-07-27 | 2011-11-13 | 1898–2011 | 3 | |
| Auditorium Comunale | Auditorium Comunale | Italy, Calvenzano, Largo XXV Aprile, 24040 | 2023-10-13 | -- | 2023 | 1 | |
| Alfieri, Teatro | Teatro Alfieri | Italy, Castelnuovo Garfagnana, Via Guglielmo Marconi | 2018-02-04 | -- | 2018 | 1 | |
| Auditorium Comunale Padre A.Zucchi | Auditorium Comunale Padre A.Zucchi | Italy, Cermenate, Via G. B. Grassi, 27, 22072 | 2024-01-28 | -- | 2024 | 1 | |
| Arena Borghesi | Arena Borghesi | Italy, Faenza, Viale Stradone 2 | 1900-07-06 | 1900-07-06 | 1900 | 2 | |
| Arena Nazionale | Arena Nazionale | Italy, Florence | 1892-05-18 | 1894-06-15 | 1892–1898 | 9 | |
| Arena Garibaldi | Arena Garibaldi | Italy, Genova | 1903-08-14 | -- | 1903 | 1 | |
| Ariston | Teatro Ariston | Italy, Lecce | 1975-02-06 | -- | 1975 | 1 | |
| Alle Vigne, Teatro | Teatro Alle Vigne | Italy, Lodi, Via Cavour, 66 | 2017-03-05 | -- | 2017 | 1 | |
| Auditorium Enzo Ferrari | Auditorium Enzo Ferrari | Italy, Maranello, Via Nazionale, 78, 41053 | 2019-04-10 | -- | 2019 | 1 | |
| Arena Peloro | Arena Peloro | Italy, Messina | 1893-07-07 | -- | 1893 | 1 | |
| Altofest | AltoFest | Italy, Napoli | 2018-07-06 | 2018-07-07 | 2018 | 1 | |
| Auditorium F. Olivieri del Conservatorio Cantelli | Auditorium F. Olivieri del Conservatorio Cantelli | Italy, Novara, Via Collegio Gallarini, 1 - 28100 | 2013-06-01 | -- | 2013 | 1 | |
| Auditorium Concordia | Auditorium Concordia | Italy, Pordenone, Via Interna, 2, 33170 | 1994-03-15 | 1994-03-16 | 1994 | 1 | |
| Auditorio Pio | Auditorio Pio | Italy, Roma, Via della Conciliazione, 4, 00193 | 1979-01-27 | 1979-01-29 | 1979 | 1 | |
| Anfiteatro Parco Tor Tre Teste | Anfiteatro Parco Tor Tre Teste | Italy, Rome | 2008-09-22 | -- | 2008 | 1 | |
| Argilla Teatri | Argilla Teatri | Italy, Rome, Via dell'Argilla, 18 | 2005-11-23 | 2005-11-27 | 2005 | 1 | |
| Argot Studio, Teatro | Teatro Argot Studio | Italy, Rome, Via Natale del Grande 27 | 2012-02-08 | 2017-10-29 | 2012–2017 | 3 | |
| Auditorium Fausto Melotti | Auditorium Fausto Melotti | Italy, Rovereto, Corso Angelo Bettini 43 | 2011-11-15 | -- | 2011 | 1 | |
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