| Name | Country | 14C dates | |
|---|---|---|---|
|
821-840 / 936 show all | |||
| Tolna | Hungary | 5 | Show |
| Torbay | United Kingdom | 13 | Show |
| Tovuz | Azerbaijan | 1 | Show |
| Tower Hamlets | United Kingdom | 1 | Show |
| Trafford | United Kingdom | 1 | Show |
| Trapani | Italy | 8 | Show |
| Trenciansky | Slovakia | 6 | Show |
| Trento | Italy | 15 | Show |
| Treviso | Italy | 1 | Show |
| Trieste | Italy | 11 | Show |
| Trnavský | Slovakia | 11 | Show |
| Tulcea | Romania | 0 | Show |
| Tunceli | Turkey | 5 | Show |
| Turnišče | Slovenia | 5 | Show |
| Tuzla | Bosnia and Herzegovina | 3 | Show |
| Tver' | Russia | 1 | Show |
| Umm Al Qaywayn | United Arab Emirates | 1 | Show |
| Una-Sana | Bosnia and Herzegovina | 1 | Show |
| Uppsala | Sweden | 99 | Show |
| Ústecký | Czechia | 34 | Show |
