| Name | Country | 14C dates | |
|---|---|---|---|
|
841-860 / 936 show all | |||
| Bas-Rhin | France | 45 | Show |
| Basel-Stadt | Switzerland | 1 | Show |
| Basel-Landschaft | Switzerland | 31 | Show |
| Barnet | United Kingdom | 7 | Show |
| Barletta-Andria Trani | Italy | 3 | Show |
| Barking and Dagenham | United Kingdom | 1 | Show |
| Bari | Italy | 15 | Show |
| Barcelona | Spain | 393 | Show |
| Baranya | Hungary | 3 | Show |
| Banskobystrický | Slovakia | 8 | Show |
| Bani Suwayf | Egypt | 1 | Show |
| Banbridge | United Kingdom | 11 | Show |
| Balzers | Liechtenstein | 2 | Show |
| Baluchistan | Pakistan | 35 | Show |
| Balqa | Jordan | 12 | Show |
| Ballymoney | United Kingdom | 13 | Show |
| Ballymena | United Kingdom | 24 | Show |
| Balkh | Afghanistan | 7 | Show |
| Baleares | Spain | 828 | Show |
| Baden-Württemberg | Germany | 671 | Show |
