| Balş | Balş | Romania, Balş | -- | -- | | | |
| BBC 2 | BBC 2 | England, London | 1982-07-19 | -- | 1982–1992 | 4 | |
| Biblioteket | Biblioteket | Norway, Fredrikstad | 1952-02-13 | -- | 1952 | 1 | |
| Brückentorsaal, Rinteln | Brückentorsaal, Rinteln | Germany, Rinteln, Klosterstraße 19 | 2010-10-25 | -- | 2010 | 1 | |
| Borge skole | Borge skole | Norway, Porsgrunn, Porsgrunn | 2006-11-09 | -- | 2006 | 1 | |
| Black Box Theatre, Nanjing Art Institute | Black Box Theatre, Nanjing Art Institute | China, Nanjing | 2005-09-28 | -- | 2005 | 1 | |
| Baltimore | Baltimore | United States, Baltimore | 1893-03-04 | 1893-03-04 | 1893–2020 | 3 | |
| Bourla schouwburg | Bourla schouwburg | Belgium, Antwerpen, Komedieplaats 18 | 1994-04-25 | 2013-02-23 | 1994–2013 | 7 | |
| Byteatern (Hamnscenen) | Byteatern (Hamnscenen) | Sweden, Kalmar, Barlastgatan 8 | 1990-03-23 | -- | 1990 | 1 | |
| Biblioteca Sarmiento Bariloche | Biblioteca Sarmiento Bariloche | Argentina, San Carlos de Bariloche, Centro Civico, R8400 San Carlos de Bariloche, Río Negro | 2022-06-18 | -- | 2022 | 1 | |
| Brekkeparken | Brekkeparken | Norway, Skien, Øvregt 41 | 1978-05-17 | 2008-06-08 | 1978–2008 | 5 | |
| Black Box, Akademia e Artëve | Black Box, Akademia e Artëve | Albania, Tirana, Sheshi Nënë Tereza, Nr. 2 | 2010-10-30 | -- | 2010 | 1 | |
| Bad Salzuflen, Kur- und Stadttheater | Kur- und Stadttheater Bad Salzuflen | Germany, Bad Salzuflen, Parkstraße 26 | 2018-04-27 | -- | 2018 | 1 | |
| Bucharest | Bucharest | Romania, Bucharest | 1894-04- | 2015-10-09 | 1894–2015 | 10 | |
| Birmingham Repertory Theatre | Birmingham Repertory Theatre | England, West Midlands, Birmingham , Broad Street | 1913-05-10 | 2008-03-29 | 1913–2008 | 29 | |
| Bagnone | Bagnone | Italy, Bagnone | 2016-03-22 | -- | 2016 | 1 | |
| Brussels | Brussels | Belgium, Brussels | 1893-04-26 | -- | 1893–2008 | 2 | |
| Brunnentheater Bad Helmstedt | Brunnentheater Bad Helmstedt | Germany, Helmstedt, Brunnenweg 7 | 1980-02-05 | 1999-01-12 | 1980–1999 | 2 | |
| Borås Stadsteater (Stora Scenen) | Borås Stadsteater (Stora Scenen) | Sweden, Borås, Pa Halls Terrass | 1984-11-24 | 2008-11-14 | 1984–2014 | 5 | |
| Badisches Landestheater Karlsruhe | Badisches Landestheater Karlsruhe | Germany, Karlsruhe | 1919-12-01 | 2016-07-14 | 1919–2016 | 10 | |
| Burgas | Burgas | Bulgaria, Burgas | -- | -- | | | |
| Bürgerhaus Garching | Bürgerhaus Garching | Germany, Garching, Bürgerplatz 9 | 2002-11-20 | -- | 2002–2018 | 2 | |
| Bollnäs | Bollnäs | Sweden, Bollnäs | 1936-11-01 | -- | 1936 | 1 | |
| Bateau Feu - Scène Nationale Dunkerque, Le | Le Bateau Feu - Scène Nationale Dunkerque | France, Dunkerque, Place du Général de Gaulle | 2010-12-15 | 2010-12-16 | 2010 | 1 | |
| Bærum Kulturhus (Store sal) | Bærum Kulturhus (Store sal) | Norway, Sandvika, Claude Monets alle 27 | 2004-08-31 | 2004-09-01 | 2004–2010 | 2 | |
| Bad Neuenahr | Bad Neuenahr | Germany, Bad Neuenahr | 2006-05-18 | -- | 2006 | 1 | |
| Bramminge Teater | Bramminge Teater | Denmark, Bramminge | 1909-11-19 | -- | 1909 | 1 | |
| Belvoir St. Theatre Upstairs | Belvoir St. Theatre Upstairs | Australia, Surry Hills, 25 Belvoir Street | 1988-03-04 | 2018-11-03 | 1988–2018 | 11 | |
| Barefoot Productions | Barefoot Productions | United States | 2018-10-05 | 2018-10-14 | 2018 | 1 | |
| Bakkenteigen Kulturhus | Bakkenteigen Kulturhus | Norway, Horten, Raveien 197 | 1993-02-11 | 2020-11-01 | 1993–2020 | 21 | |
| Bryne | Bryne | Norway, Bryne | 1999-04-20 | -- | 1999–2004 | 2 | |
| Black Box Teater (Lille scene) på Aker brygge | Black Box Teater (Lille scene) på Aker brygge | Norway, Oslo, Aker brygge | 1990-09-01 | 1999-01-10 | 1990–1999 | 6 | |
| Brooks Atkinson Theatre | Brooks Atkinson Theatre | United States, New York, West 47th Street | 1982-08-23 | 1982-10-02 | 1982 | 1 | |
| Bühnen der Stadt Bielefeld | Bühnen der Stadt Bielefeld | Germany, Bielefeld | 1976-10-23 | -- | 1976–1991 | 2 | |
| Black Box Theatre | Black Box Theatre | United States, Marshall, 1 Tiger Dr | 2018-04-26 | 2018-04-29 | 2018 | 1 | |
| Basement Theatre | Basement Theatre | United States, New Jersey | 2009-05-01 | -- | 2009 | 1 | |
| Bedford Theatre | Bedford Theatre | England, Bedford, Bedford School, De Pary's Avenue | 2014-09-30 | 2014-09-20 | 2014 | 1 | |
| Bol'soj Teatr | Bol'soj Teatr | Russia, St Petersburg | 1884-02-08 | -- | 1884 | 1 | |
| Beethovensaal | Beethovensaal | Germany, Berlin, Köthener Straße 32 | 1912-02-18 | -- | 1912 | 1 | |
| Beldorf Theatre | Beldorf Theatre | United States, Independence | 1909-01-09 | 1910-12-08 | 1909–1910 | 2 | |
| Basiliano, | Basiliano, | Italy, Basiliano, | -- | -- | | | |
| Bertha Martin Theatre, University of Northern Iowa | Bertha Martin Theatre, University of Northern Iowa | United States, Cedar Falls | 2004-04-15 | 2004-04-25 | 2004 | 1 | |
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