| Name | Country | 14C dates | |
|---|---|---|---|
|
121-140 / 936 show all | |||
| Thurrock | United Kingdom | 28 | Show |
| Thüringen | Germany | 127 | Show |
| Thurgau | Switzerland | 33 | Show |
| Thessalia | Greece | 87 | Show |
| Teruel | Spain | 4 | Show |
| Ternopil' | Ukraine | 2 | Show |
| Telšiai | Lithuania | 2 | Show |
| Telford and Wrekin | United Kingdom | 4 | Show |
| Teleneşti | Moldova | 2 | Show |
| Telemark | Norway | 2 | Show |
| Tartus | Syria | 1 | Show |
| Tarragona | Spain | 73 | Show |
| Tarn-et-Garonne | France | 1 | Show |
| Tarn | France | 7 | Show |
| Targovishte | Bulgaria | 5 | Show |
| Taranto | Italy | 13 | Show |
| Tambov | Russia | 1 | Show |
| Tafilah | Jordan | 27 | Show |
| Szeged | Hungary | 6 | Show |
| Szabolcs-Szatmár-Bereg | Hungary | 5 | Show |
