Czechia 150
Czechoslovakia 32
China 4
Chodsko (Česko) 4
Camargue (Francie) 1
Canada 1
Canberra (Australian Capital Territory) 1
Carthage (extinct city) 1
Central Bohemian Region (Czechia : 2000-) 1
Chamonix-Mont Blanc 1
Champagne (Francie : oblast) 1
Chorvatsko 1
Commonwealth countries 1
Curaçao (Závětrné Antily : ostrov) 1
Curaçao Island (Leeward Antilles) 1