| Name | Country | 14C dates | |
|---|---|---|---|
|
201-220 / 936 show all | |||
| Crimea | Russia | 6 | Show |
| Crotene | Italy | 5 | Show |
| Csongrád | Hungary | 57 | Show |
| Cuenca | Spain | 12 | Show |
| Cumbria | United Kingdom | 57 | Show |
| Cuneo | Italy | 10 | Show |
| Dalarna | Sweden | 24 | Show |
| Dayr Az Zawr | Syria | 29 | Show |
| Denbighshire | United Kingdom | 36 | Show |
| Denizli | Turkey | 2 | Show |
| Derby | United Kingdom | 2 | Show |
| Derbyshire | United Kingdom | 77 | Show |
| Derry | United Kingdom | 33 | Show |
| Deux-Sèvres | France | 21 | Show |
| Devon | United Kingdom | 170 | Show |
| Dhi-Qar | Iraq | 5 | Show |
| Diekirch | Luxembourg | 1 | Show |
| Dihok | Iraq | 44 | Show |
| Diyala | Iraq | 6 | Show |
| Diyarbakir | Turkey | 44 | Show |
