| Name | Country | # Exhibitions | # Cat. Entries |
|---|---|---|---|
| Carouge | Switzerland | 0 | 0 |
| Carrara | Italy | 0 | 0 |
| Casablanca | Morocco | 0 | 0 |
| Casale Monferrato | Italy | 0 | 0 |
| Casaliggio | Italy | 0 | 0 |
| Casalpusterlengo | Italy | 0 | 0 |
| Cascina | Italy | 0 | 0 |
| Cascina Grossa | Italy | 0 | 0 |
| Caslav | Czechia | 0 | 0 |
| Cassá de la Selva | Spain | 0 | 0 |
| Cassis | France | 0 | 0 |
| Castagnola | Switzerland | 0 | 0 |
| Castanet-Tolosan | France | 0 | 0 |
| Castelbottaccio | Italy | 0 | 0 |
| Castelfranco di Sotto | Italy | 0 | 0 |
| Castelfranco Veneto | Italy | 0 | 0 |
| Castellammare di Stabia | Italy | 0 | 0 |
| Castelletto sopra Ticino | Italy | 0 | 0 |
| Castelnau-d'Estrétefonds | France | 0 | 0 |
| Castelnau-Magnoac | France | 0 | 0 |
| Castelnaudary | France | 0 | 0 |
| Castelsarrasin | France | 0 | 0 |
| Castelverde | Italy | 0 | 0 |
| Castelvetrano | Italy | 0 | 0 |
| Castelvetro Piacentino | Italy | 0 | 0 |
| Castiglion Fiorentino | Italy | 0 | 0 |
| Castle Douglas | United Kingdom | 0 | 0 |
| Častolovice | Czechia | 0 | 0 |
| Castres | France | 0 | 0 |
| Castricum | Netherlands | 0 | 0 |
| Castrop-Rauxel | Germany | 0 | 0 |
| Castrovillari | Italy | 0 | 0 |
| Catania | Italy | 0 | 0 |
| Cathedral City | United States | 0 | 0 |
| Catillon-sur-Sambre | France | 0 | 0 |
| Catskill | United States | 0 | 0 |
| Cavaillon | France | 0 | 0 |
| Cavalaire-sur-Mer | France | 0 | 0 |
| Cavarzere | Italy | 0 | 0 |
| Cavtat | Croatia | 0 | 0 |
| Cayucos | United States | 0 | 0 |
| Cedarhurst, New York | United States | 0 | 0 |
| Cefalú | Italy | 0 | 0 |
| Cegléd | Hungary | 0 | 0 |
| Ceglie Messápico | Italy | 0 | 0 |
| Čelarevo | Serbia | 0 | 0 |
| Celje | Slovenia | 0 | 0 |
| Cella | Spain | 0 | 0 |
| Celldömölk | Hungary | 0 | 0 |
| Celle | Germany | 0 | 0 |
| Celles-sur-Durolle | France | 0 | 0 |
| Cenate Sotto | Italy | 0 | 0 |
| Center Bridge | United States | 0 | 0 |
| Cento | Italy | 0 | 0 |
| Čerepovec | Russia | 0 | 0 |
| Céret | France | 0 | 0 |
| Ceriana | Italy | 0 | 0 |
| Cérilly | France | 0 | 0 |
| Cernay-la-Ville | France | 0 | 0 |
| Cernusco sul Naviglio | Italy | 0 | 0 |
| Cervara di Roma | Italy | 0 | 0 |
| Cesano Boscone | Italy | 0 | 0 |
| Cesena | Italy | 0 | 0 |
| Česká Kamenice | Czechia | 0 | 0 |
| Česká Lípa | Czechia | 0 | 0 |
| Ceske Budejovice | Czechia | 0 | 0 |
| Cetinje | Montenegro | 0 | 0 |
| Cetona | Italy | 0 | 0 |
| Chabarovsk | Russia | 0 | 0 |
| Chagrin Falls | United States | 0 | 0 |
| Chailles | France | 0 | 0 |
| Chakrāta | India | 0 | 0 |
| Chalford | United Kingdom | 0 | 0 |
| Châlons-sur-Champagne | France | 0 | 0 |
| Chamalières | France | 0 | 0 |
| Chambéry-le-Vieux | France | 0 | 0 |
| Chamigny | France | 0 | 0 |
| Chamonix-Mont-Blanc | France | 0 | 0 |
| Champagne-sur-Seine | France | 0 | 0 |
| Champigné | France | 0 | 0 |
| Champigny-sur-Marne | France | 0 | 0 |
| Champlay | France | 0 | 0 |
| Champs-Sur-Marne | France | 0 | 0 |
| Champsecret | France | 0 | 0 |
| Chantelle | France | 0 | 0 |
| Chantenay-sur-Loire | France | 0 | 0 |
| Chantilly | France | 0 | 0 |
| Chapelton, Aberdeenshire | United Kingdom | 0 | 0 |
| Charenton-le-Pont | France | 0 | 0 |
| Charleroi | Belgium | 0 | 0 |
| Charleston | United States | 0 | 0 |
| Charleville | France | 0 | 0 |
| Charleville-Mézières | France | 0 | 0 |
| Charlieu | France | 0 | 0 |
| Charlotte | United States | 0 | 0 |
| Charlotte Amalie | U.S. Virgin Islands | 0 | 0 |
| Charlottesville | United States | 0 | 0 |
| Charlottetown | Canada | 0 | 0 |
| Charroux | France | 0 | 0 |
| Chartres | France | 0 | 0 |
| Chartrettes | France | 0 | 0 |
| Châtas | France | 0 | 0 |
| Château-du-Loir | France | 0 | 0 |
| Châteauneuf-du-Faou | France | 0 | 0 |
| Châteauroux | France | 0 | 0 |
| Châtel-Saint-Denis | Switzerland | 0 | 0 |
| Châtelet | Belgium | 0 | 0 |
| Châtenay-Malabry | France | 0 | 0 |
| Châtillon, Hauts-de-Seine | France | 0 | 0 |
| Chatou | France | 0 | 0 |
| Chaumont | France | 0 | 0 |
| Chauny | France | 0 | 0 |
| Chazelles-sur-Lyon | France | 0 | 0 |
| Cheadle | United Kingdom | 0 | 0 |
| Cheb | Czechia | 0 | 0 |
| Chelles | France | 0 | 0 |
| Chelmsford | United Kingdom | 0 | 0 |
| Chelsea, Massachusetts | United States | 0 | 0 |
| Cheltenham | United Kingdom | 0 | 0 |
| Chelyabinsk | Russia | 0 | 0 |
| Chełmno | Poland | 0 | 0 |
| Chemnitz | Germany | 0 | 0 |
| Chêne-Bougeries | Switzerland | 0 | 0 |
| Chenecey-Buillon | France | 0 | 0 |
| Chennevières-lès-Louvres | France | 0 | 0 |
| Chepstow | United Kingdom | 0 | 0 |
| Cheratte | Belgium | 0 | 0 |
| Cherbourg | France | 0 | 0 |
| Chérence | France | 0 | 0 |
| Chernigov | Ukraine | 0 | 0 |
| Chernivtsi | Ukraine | 0 | 0 |
| Chernovtsy | Ukraine | 0 | 0 |
| Chernyanka | Russia | 0 | 0 |
| Chesham | United Kingdom | 0 | 0 |
| Chesham Bois | United Kingdom | 0 | 0 |
| Chesnay, Le | France | 0 | 0 |
| Chester | United Kingdom | 0 | 0 |
| Chesterton | United Kingdom | 0 | 0 |
| Chevreuse | France | 0 | 0 |
| Chevron | Belgium | 0 | 0 |
| Chevry-Cossigny | France | 0 | 0 |
| Chexbres | Switzerland | 0 | 0 |
| Chiari | Italy | 0 | 0 |
| Chiavari | Italy | 0 | 0 |
| Chicago | United States | 2 | 454 |
| Chichester | United Kingdom | 0 | 0 |
| Chiddingfold | United Kingdom | 0 | 0 |
| Chieri | Italy | 0 | 0 |
| Chieti | Italy | 0 | 0 |
| Chinon | France | 0 | 0 |
| Chioggia | Italy | 0 | 0 |
| Chippenham | United Kingdom | 0 | 0 |
| Chipping Campden | United Kingdom | 0 | 0 |
| Chipping Ongar | United Kingdom | 0 | 0 |
| Chişinău | Moldova | 0 | 0 |
| Chișineu-Criș | Romania | 0 | 0 |
| Chistopol | Russia | 0 | 0 |
| Chiusa | Italy | 0 | 0 |
| Chl'aba | Slovakia | 0 | 0 |
| Choisy-le-Roi | France | 0 | 0 |
| Chojnów | Poland | 0 | 0 |
| Chorleywood | United Kingdom | 0 | 0 |
| Chornobyl' | Ukraine | 0 | 0 |
| Chorzów | Poland | 0 | 0 |
| Choszczno | Poland | 0 | 0 |
| Chotěšov | Czechia | 0 | 0 |
| Chouzy-sur-Cisse | France | 0 | 0 |
| Christchurch | New Zealand | 0 | 0 |
| Christiania (Oslo) | Norway | 5 | 753 |
| Christiansfeld | Denmark | 0 | 0 |
| Chrudim | Czechia | 1 | 124 |
| Chrzanów | Poland | 0 | 0 |
| Chuguyev | Ukraine | 0 | 0 |
| Chur | Switzerland | 0 | 0 |
| Church Hill | United States | 0 | 0 |
| Cillaarshoek | Netherlands | 0 | 0 |
| Cincinnati | United States | 1 | 36 |
| Cirencester | United Kingdom | 0 | 0 |
| Cirey-sur-Vezouze | France | 0 | 0 |
| Ciriè | Italy | 0 | 0 |
| Città di Castello | Italy | 0 | 0 |
| Città Sant'Angelo | Italy | 0 | 0 |
| Ciudad Real | Spain | 0 | 0 |
| Civita d'Ántino | Italy | 0 | 0 |
| Civitella del Tronto | Italy | 0 | 0 |
| Clamart | France | 0 | 0 |
| Clarens, Switzerland | Switzerland | 0 | 0 |
| Claygate | United Kingdom | 0 | 0 |
| Cleckheaton | United Kingdom | 0 | 0 |
| Clenchwarton | United Kingdom | 0 | 0 |
| Clermont-Ferrand | France | 0 | 0 |
| Clermont-l'Hérault | France | 0 | 0 |
| Cles | Italy | 0 | 0 |
| Clessy | France | 0 | 0 |
| Cleve | Germany | 0 | 0 |
| Clevedon | United Kingdom | 0 | 0 |
| Cleveland, Ohio | United States | 0 | 0 |
| Cleves | Germany | 0 | 0 |
| Clichy | France | 0 | 0 |
| Clifton Springs | United States | 0 | 0 |