| Castrop-Rauxel Studio | Castrop-Rauxel Studio | Germany, Castrop-Rauxel, Europaplatz | 2017-02-14 | 2017-11-29 | 2017 | 1 | |
| Chemnitz | Chemnitz | Germany, Chemnitz | -- | -- | | | |
| Cuxhaven | Cuxhaven | Germany, Cuxhaven | 2011-04-09 | -- | 2011 | 1 | |
| Carl Schultze Theater | Carl Schultze Theater | Germany, Hamburg, Reeperbahn, St Pauli | 1891-08-05 | 1907-10-09 | 1891–1910 | 27 | |
| Comoedienhaus Wilhelmsbad | Comoedienhaus Wilhelmsbad | Germany, Hanau, Parkpromenade 1 | 2007-03-24 | 2007-03-26 | 2007 | 1 | |
| Carola-Theater | Carola-Theater | Germany, Leipzig, Dufourstr. 16-18 | 1893-02-12 | 1895-06-23 | 1893–1897 | 6 | |
| Capitol Theater | Capitol Theater | Germany, Offenbach am Main, Nordend, Kaiserstraße 106 | 2010-03-28 | -- | 2010 | 1 | |
| Congress-Centrum Stadtgarten | Congress-Centrum Stadtgarten | Germany, Schwäbisch Gmünd, Rektor-Klaus-Straße 9, | 2012-04-19 | -- | 2012 | 1 | |
| Capitol-Kino | Capitol-Kino | Germany, Walsrode | 1980-02-20 | -- | 1980 | 1 | |
| Centrál színház | Centrál színház | Hungary, Budapest, Révay u. 18 | 2018-09-23 | -- | 2018 | 1 | |
| Cegléd | Cegléd | Hungary, Cegléd | 1907-05-22 | -- | 1907–1946 | 10 | |
| Celldömölk | Celldömölk | Hungary, Celldömölk | 1925-01-09 | -- | 1925–1936 | 3 | |
| Csongrád | Csongrád | Hungary, Csongrád | 1936-11-01 | -- | 1936 | 1 | |
| Csokonai Színház Irodalmi Színpad | Csokonai Színház Irodalmi Színpad | Hungary, Debrecen, Kossuth u. 10. | 1946-11-23 | -- | 1946 | 1 | |
| Csokonai Színház | Csokonai Színház | Hungary, Debrecen, Kossuth u. 10. | 1917-12-16 | 1918-04-06 | 1917–1994 | 7 | |
| Csokonai Színház Irodalmi Kamaraszínház | Csokonai Színház Irodalmi Kamaraszínház | Hungary, Debrecen, Kossuth utca 10 | 1947-03-02 | -- | 1947 | 1 | |
| Csiky Gergely Színház | Csiky Gergely Színház | Hungary, Kaposvár, Rákóczi tér | 1996-03-08 | -- | 1996 | 1 | |
| Chandigarh Festival | Chandigarh Festival | India, Chandigarh, Chandigarh | 2010-12-07 | -- | 2010 | 2 | |
| Corinthian Theatre | Corinthian Theatre | India, Kolkata, West Bengal | 1891-12-26 | -- | 1891 | 1 | |
| Calcutta | Calcutta | India, West Bengal | 1958-01-10 | 1958-06-11 | 1958 | 1 | |
| Channel 2, IRIB National TV | Channel 2, IRIB National TV | Iran, Tehran | 1999-02-15 | -- | 1999 | 1 | |
| Channel 4, IRIB National TV | Channel 4, IRIB National TV | Iran, Tehran, Jame Jam St | 1998-- | -- | 1998–2006 | 2 | |
| CMWS Hall Kildare | CMWS Hall Kildare | Ireland | 2019-03-04 | 2019-03-04 | 2019 | 1 | |
| Community College Hall | Community College Hall | Ireland, Co Clare, Scariff | 2007-03-24 | -- | 2007 | 1 | |
| Community Centre, Rathangan, The | The Community Centre, Rathangan | Ireland, Co. Kildare | 2007-03-28 | -- | 2007 | 1 | |
| Comprehensive School | Comprehensive School | Ireland, Glenties | 1980-03-21 | 1980-03-22 | 1980 | 1 | |
| Crescent Theatre | Crescent Theatre | Ireland, Limerick | 1980-02-11 | 1980-02-16 | 1980 | 1 | |
| Community Arts Centre | Community Arts Centre | Ireland, Mountmellick | 2007-03-21 | -- | 2007 | 1 | |
| Channel 2 (Italy) | Channel 2 (Italy) | Italy | 1982-01-25 | -- | 1982 | 1 | |
| Canale 2 | Canale 2 | Italy, Altamura (BA), Via Giovanni Bovio 1, 70022 Altamura (BA) | 1970-05-20 | -- | 1970 | 1 | |
| Cinema Arese, Teatro | Teatro Cinema Arese | Italy, Arese, Piazza Carlo Alberto Dalla Chiesa, 4 | 2017-02-28 | -- | 2017 | 1 | |
| Complesso industriale ex-Minganti | Complesso industriale ex-Minganti | Italy, Bologna | 2001-10-18 | 2001-10-29 | 2001 | 1 | |
| Cagliari | Cagliari | Italy, Cagliari | 1893-03-21 | -- | 1893–1903 | 2 | |
| Campobasso | Campobasso | Italy, Campobasso | -- | -- | | | |
| Comunale, Teatro | Teatro Comunale | Italy, Castelfranco Piandiscò, Via Roma, 36 | 2017-02-21 | -- | 2017 | 1 | |
| Catania | Catania | Italy, Catania | 1892-06-23 | 1892-06-28 | 1892–1897 | 2 | |
| Chieti | Chieti | Italy, Chieti | -- | -- | | | |
| Como | Como | Italy, Como | 1894-04-07 | -- | 1894 | 1 | |
| Comunale, Teatro | Teatro Comunale | Italy, Cormons, Via Nazario Sauro, 17 | 2017-01-24 | -- | 2017 | 1 | |
| Cortona | Cortona | Italy, Cortona | -- | -- | | | |
| Crotone | Crotone | Italy, Crotone | -- | -- | | | |
| Cuneo | Cuneo | Italy, Cuneo | 1934-05-01 | 1934-05-02 | 1934 | 1 | |
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