| Cultural Arts Building, University of North Carolina Wilmington | Cultural Arts Building, University of North Carolina Wilmington | United States of America, Wilmington, 5270 Randall Drive | 2009-11-19 | 2009-11-23 | 2009 | 1 | |
| Cour d'Honneur du Palais des Papes | Cour d'Honneur du Palais des Papes | France, Avignon, Place du Palais des papes | 2004-07-16 | 2004-07-25 | 2004 | 1 | |
| Čakovec | Čakovec | Croatia, Čakovec | 1908-03-15 | -- | 1908 | 1 | |
| Castillo de Doña Berenguela | Castillo de Doña Berenguela | Spain, Bolaños de Calatrava | 1975-07- | -- | 1975 | 1 | |
| Cohen Family Studio Theatre, University of Cincinnati College | Cohen Family Studio Theatre, University of Cincinnati College | United States of America, Cincinnati, 290 CCM Blvd | 2006-04-27 | 2006-04-29 | 2006 | 1 | |
| Cinema Le Balzac | Cinema Le Balzac | France, Paris, 1 rue Balzac | 2018-02-15 | 2018-02-15 | 2018 | 1 | |
| Cape Breton Regional Municipality | Cape Breton Regional Municipality | Canada, Nova Scotia | 2000-01-27 | 2000-01-29 | 2000 | 1 | |
| Carré Magique - Pôle national cirque en Bretagne, Le | Le Carré Magique - Pôle national cirque en Bretagne | France, Lannion, Parvis des Droits de l'Homme | 2012-02-02 | 2012-02-03 | 2012 | 1 | |
| Catharinakapel | Catharinakapel | Netherlands, Harderwijk, Klooster 1 | 2005-01-07 | -- | 2005 | 1 | |
| Center Players | Center Players | United States of America, Freehold, 35 South Street | 2015-07-10 | 2015-08-09 | 2015 | 1 | |
| Chemainus | Chemainus | Canada, Chemainus | 2007-09-26 | 2007-11-03 | 2007 | 1 | |
| Columbus | Columbus | United States of America, Columbus | 1903-10-19 | 1903-10-19 | 1903 | 1 | |
| Chicago Norske Klubs Dramatiske Selskap | Chicago Norske Klubs Dramatiske Selskap | United States of America, Chicago | 1930-11-16 | 1930-11-23 | 1930 | 1 | |
| Centre culturel de Mont-sur-Marchienne | Centre culturel de Mont-sur-Marchienne | Belgium, Charleroi, Rue du Château 3 | 2020-10-04 | 2020-10-06 | 2020 | 1 | |
| Centar za kulturu Pančeva | Centar za kulturu Pančeva (Pancevo Cultural Center) | Serbia, Pančevo, Vojvode Živojina Mišića 4 | 1995-03-30 | 1996-06-13 | 1995 | 1 | |
| Capitol Theatre | The Capitol Theatre | England, Manchester | 2008-10-08 | 2008-10-11 | 2008 | 1 | |
| Channel 2 (Italy) | Channel 2 (Italy) | Italy | 1982-01-25 | -- | 1982 | 1 | |
| Chulalongkorn University | Chulalongkorn University | Thailand, Bangkok, 254 Phayathai Road | 2005-06- | -- | 2005 | 1 | |
| Casino Republicà (Barceloneta) | Casino Republicà (Barceloneta) | Spain, Barcelona | 1918-01-06 | -- | 1918 | 1 | |
| Carlton Courthouse | Carlton Courthouse | Australia, Carlton, 349 Drummond St | 2001-09-24 | 2001-09-25 | 2001 | 1 | |
| Cultuurcentrum Brugge | Cultuurcentrum Brugge | Belgium, Brugge, Sint-Jakobsstraat 20 | 2007-12-18 | -- | 2007 | 1 | |
| Colombo | Colombo | Sri Lanka, Colombo | 1891-12-01 | -- | 1891 | 1 | |
| Centre Culturel Aragon Triolet | Centre Culturel Aragon Triolet | France, Orly, 1 Place du Fer à Cheval, Rue du Docteur Calmette, | 2014-01-24 | 2014-01-24 | 2014 | 1 | |
| China National Experimental Theatre | China National Experimental Theatre | China, Beijing, Ping'anli West Street | 1996-08-01 | -- | 1996 | 1 | |
| CEKAO Zagreb | CEKAO Zagreb | Croatia, Zagreb, Vukovarska 68 | 1991-07-01 | -- | 1991 | 1 | |
| Comédie Claude Volter | Comédie Claude Volter | Belgium, Brussels, 1150 St-Pieters-Woluwe | 2011-03-16 | 2011-04-09 | 2011 | 1 | |
| Casa del Marino | Casa del Marino | Spain, Palmas de Gran Canaria | 1966-02-03 | -- | 1966 | 1 | |
| Chelsea Market Theatre | Chelsea Market Theatre | United States of America, Houston, 4617 Montrose Blvd. | 2018-02-07 | 2018-02-25 | 2018 | 1 | |
| Chappelear Drama Center | Chappelear Drama Center | United States of America, Delaware, 45 Rowland Ave. | 2016-10-06 | 2016-10-09 | 2016 | 1 | |
| Courtyard Theatre, The | The Courtyard Theatre | England, London, Bowling Green Walk, 40 Pitfield St, | 2013-01-09 | 2013-01-20 | 2013 | 1 | |
| Crucible Theatre | Crucible Theatre | England, Sheffield, 55 Norfolk St | 2010-02-11 | 2010-03-20 | 2010 | 1 | |
| CC Leopoldsburg | CC Leopoldsburg (Cultureel Centrum Leopoldsburg) | Belgium, Leopoldsburg, Kastanjedreef 1 | 1999-03-15 | -- | 1999 | 1 | |
| Csongrád | Csongrád | Hungary, Csongrád | 1936-11-01 | -- | 1936 | 1 | |
| Cicignon Barne- og Ungdomskole | Cicignon Barne- og Ungdomskole | Norway, Fredrikstad, Fredrikstad | 2006-11-14 | -- | 2006 | 1 | |
| Cultuurcentrum Mechelen (A. Spinoy) | Cultuurcentrum Mechelen (A. Spinoy) | Belgium, Mechelen, Minderbroedersgang 5 | 2001-04-17 | 2001-04-17 | 2001 | 1 | |
| Casa da Gávea | Casa da Gávea | Brazil, Gávea, Praça Santos Dumont, 116 | 1997-05-08 | -- | 1997 | 1 | |
| Center for Remembering and Sharing | Center for Remembering and Sharing | United States of America, New York, 123 4th Ave | 2006-04-14 | 2006-05-07 | 2006 | 1 | |
| Centre Stage Theatre | Centre Stage Theatre | Australia, Spring Hill, 25 Quarry Street | 2008-05-29 | 2008-06-14 | 2008 | 1 | |
| Close Theatre Club | Close Theatre Club | Scotland, Glasgow | 1968-09-25 | 1968-10-13 | 1968 | 1 | |
| College of Fine Arts at the University of Sulaimani, The | The College of Fine Arts at the University of Sulaimani | Iraq, Sulaymaniyah, Sulaymaniyah Governorate | 1986-05-03 | 1986-06-05 | 1986 | 1 | |
| Community Centre, Rathangan, The | The Community Centre, Rathangan | Ireland, Co. Kildare | 2007-03-28 | -- | 2007 | 1 | |
| Corporación Cultural de Lo Barnechea | Corporación Cultural de Lo Barnechea | Chile, Lo Barnechea, Av. El Tranque 10300 | 2011-12- | -- | 2011 | 1 | |
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