| Name | Country | 14C dates | |
|---|---|---|---|
|
221-240 / 936 show all | |||
| Dnipropetrovs'k | Ukraine | 22 | Show |
| Dobrich | Bulgaria | 3 | Show |
| Dolj | Romania | 11 | Show |
| Doncaster | United Kingdom | 23 | Show |
| Donegal | Ireland | 4 | Show |
| Dordogne | France | 36 | Show |
| Dorset | United Kingdom | 375 | Show |
| Doubs | France | 29 | Show |
| Down | United Kingdom | 12 | Show |
| Drenthe | Netherlands | 244 | Show |
| Drochia | Moldova | 20 | Show |
| Drôme | France | 87 | Show |
| Dublin | Ireland | 14 | Show |
| Dumfries and Galloway | United Kingdom | 63 | Show |
| Dunaújváros | Hungary | 4 | Show |
| Dungannon | United Kingdom | 21 | Show |
| Dún Laoghaire–Rathdown | Ireland | 19 | Show |
| Durham | United Kingdom | 6 | Show |
| Dytiki Ellada | Greece | 1 | Show |
| Dytiki Makedonia | Greece | 11 | Show |
