| Bühnen der Hansestadt Lübeck (Kammerspiele) | Bühnen der Hansestadt Lübeck (Kammerspiele) | Germany, Lübeck, Beckergrube 10 | 1964-02-02 | -- | 1964–1997 | 4 | |
| Brunton Theatre | Brunton Theatre | Scotland, Musselburgh, Ladywell Way | 2004-05-27 | 2011-06-25 | 2004–2014 | 4 | |
| Belasco Theatre | Belasco Theatre | United States, New York, 111 West 44th Street | 1926-12-27 | 1997-08-31 | 1926–1997 | 4 | |
| Borupgårdteatret | Borupgårdteatret | Denmark, Helsingør, Havnepladsen 1 | 2002-03-22 | 2009-12-03 | 2002–2009 | 4 | |
| Baghdad - University of Fine Arts اکادیمیة الفنون الجمیلة | اکادیمیة الفنون الجمیلة Baghdad - University of Fine Arts (Akadimiat Alfnon aljamilat) | Iraq, Baghdad, Damascus St | 1956-- | 2005-- | 1956–2005 | 4 | |
| Bühnen der Stadt Gera | Bühnen der Stadt Gera | Germany, Gera, Theaterplatz 1 | 1953-10-18 | 2009-05-25 | 1953–2009 | 4 | |
| Borggården, Akershus Festning | Borggården, Akershus Festning | Norway, Oslo | 1978-07-04 | 1983-06-30 | 1978–1983 | 4 | |
| Berkeley Repertory Theatre | Berkeley Repertory Theatre | United States, Berkeley, Addison St | 1971-02-01 | 1993-04-30 | 1971–1993 | 4 | |
| BBC Television | BBC Television | England, London | 1959-08-11 | -- | 1959–1965 | 4 | |
| Berehove | Berehove | Ukraine, Berehove | 1890-08-25 | -- | 1890–1925 | 4 | |
| Berliner Theatertreffen | Berliner Theatertreffen | Germany, Berlin, Schaperstr. 24 | 1984-05-16 | 2003-05-14 | 1984–2003 | 4 | |
| Bühnen der Landeshauptstadt Kiel | Bühnen der Landeshauptstadt Kiel | Germany, Kiel, Fleethörn 9 | 1950-09-14 | -- | 1950–1981 | 4 | |
| BBC Radio 3 | BBC Radio 3 | England, London, BBC Broadcasting House, London W1A 1AA | 1978-04-02 | 2023-07-09 | 1978–2023 | 4 | |
| Balassagyarmat | Balassagyarmat | Hungary, Balassagyarmat | 1891-06-17 | -- | 1891–1925 | 4 | |
| BBC 2 | BBC 2 | England, London | 1982-07-19 | -- | 1982–1992 | 4 | |
| Berlin | Berlin | Germany, Berlin | 1950-12-08 | 1950-12-10 | 1950–2015 | 5 | |
| Buen Kulturhus | Buen Kulturhus | Norway, Mandal, Havnegata 2 | 2012-09-29 | 2020-09-06 | 2012–2022 | 5 | |
| Brekkeparken | Brekkeparken | Norway, Skien, Øvregt 41 | 1978-05-17 | 2008-06-08 | 1978–2008 | 5 | |
| Bernarts' Theater | Bernarts' Theater | Germany, Aachen | 1900-04-19 | 1901-03-20 | 1900–1901 | 5 | |
| Boston University Theatre | Boston University Theatre | United States, Boston, 264 Huntington Avenue, | 1993-10-15 | 2017-02-05 | 1993–2017 | 5 | |
| Bømlo Kulturhus | Bømlo Kulturhus | Norway, Bremnes, Kulturhusvegen 20 | 1970-01-21 | 2020-09-11 | 1970–2020 | 5 | |
| Belgium | Belgium | Belgium | 1961-11-17 | -- | 1961–2021 | 5 | |
| Buenos Aires | Buenos Aires | Argentina, Buenos Aires | 1907-08-21 | -- | 1907–1970 | 5 | |
| Bjørnsonhuset | Bjørnsonhuset | Norway, Molde, Gideonvegen 2 | 2006-01-27 | 2020-09-21 | 2006–2022 | 5 | |
| Botoşani | Botoşani | Romania, Botoşani | 1900-- | -- | 1900–1908 | 5 | |
| Bijou Theatre | Bijou Theatre | United States, New York, 209 W. 45th Street | 1907-01-18 | -- | 1907–1929 | 5 | |
| Brewery Arts Centre | Brewery Arts Centre | England, Kendal, Highgate | 1993-07-02 | 2006-05-20 | 1993–2018 | 5 | |
| Blaker, Samfunnshuset | Samfunnshuset Blaker | Norway, Blaker | 1956-05-25 | -- | 1956–1963 | 5 | |
| Borås Teater | Borås Teater | Sweden, Borås | 1878-05-10 | -- | 1878–1893 | 5 | |
| Borås Stadsteater (Stora Scenen) | Borås Stadsteater (Stora Scenen) | Sweden, Borås, Pa Halls Terrass | 1984-11-24 | 2008-11-14 | 1984–2014 | 5 | |
| Budai Színkör | Budai Színkör | Hungary, Budapest, Alagút utca | 1917-10-13 | 1923-09-21 | 1917–1924 | 5 | |
| Bayerisches Staatsschauspiel | Bayerisches Staatsschauspiel | Germany, Munich, Max-Joseph-Platz 1 | 1924-09-12 | 1950-01-05 | 1924–1969 | 5 | |
| Belasco Theatre | Belasco Theatre | United States, Washington D.C., 17 Madison Place | 1905-12-20 | 1908-03-28 | 1905–1908 | 5 | |
| Burbank Theatre | Burbank Theatre | United States, Los Angeles, 548 S. Main St. | 1904-08-18 | 1906-12-06 | 1904–1906 | 5 | |
| Belle-Alliance Theater | Belle-Alliance Theater | Germany, Berlin, Belle-Alliance-Straße 7-8 | 1878-01-25 | 1898-03-26 | 1878–1898 | 6 | |
| 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 | |
| Brønnøysund Samfunnshus | Brønnøysund Samfunnshus | Norway, Brønnøysund, Brønnøysund | 1976-11-05 | 1976-11-05 | 1976–2018 | 6 | |
| Bologna | Bologna | Italy, Bologna | 1892-08-04 | -- | 1892–1928 | 6 | |
| Brașov | Brașov | Romania, Brașov | 1925-06-17 | 1927-06-02 | 1925–1938 | 6 | |
| Barons Court Theatre | Barons Court Theatre | England, London, 28a Comeragh Rd | 2006-09-26 | 2018-06-30 | 2006–2018 | 6 | |
| Bremer Theater | Bremer Theater | Germany, Bremen, Goetheplatz 1 | 1919-01-10 | 2003-05-14 | 1919–2002 | 6 | |
| Bouffes du Nord | Bouffes du Nord | France, Paris, 37 Boulevard de la Chapelle | 1893-10-05 | 2018-02-18 | 1893–2018 | 6 | |
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