| Name | Country | 14C dates | |
|---|---|---|---|
|
81-100 / 460 show all | |||
| Comunidad Valenciana | Spain | 49 | Show |
| Cork | Ireland | 8 | Show |
| Cornwall | United Kingdom | 17 | Show |
| Corsica | France | 7 | Show |
| Côte d'Or | France | 3 | Show |
| Covasna | Romania | 0 | Show |
| Creta | Greece | 13 | Show |
| Crete | Greece | 13 | Show |
| Csongrád | Hungary | 4 | Show |
| Cumberland | United Kingdom | 1 | Show |
| Dalarna | Sweden | 0 | Show |
| Derbyshire | United Kingdom | 2 | Show |
| Derry | Ireland | 0 | Show |
| Dolj | Romania | 0 | Show |
| Dordogne | France | 0 | Show |
| Dorset | United Kingdom | 73 | Show |
| Down | Ireland | 1 | Show |
| Drenthe | Netherlands | 87 | Show |
| Dumfries and Galloway | United Kingdom | 0 | Show |
| East Ayrshire | United Kingdom | 0 | Show |
