| Name | Country | 14C dates | |
|---|---|---|---|
|
781-800 / 936 show all | |||
| Stockholm | Sweden | 85 | Show |
| Stockton-on-Tees | United Kingdom | 7 | Show |
| Strabane | United Kingdom | 12 | Show |
| Středočeský | Czechia | 59 | Show |
| Subcarpathian | Poland | 87 | Show |
| Suceava | Romania | 3 | Show |
| Suðurland | Iceland | 2 | Show |
| Suffolk | United Kingdom | 46 | Show |
| Šumadijski | Republic of Serbia | 31 | Show |
| Sumy | Ukraine | 3 | Show |
| Sunderland | United Kingdom | 2 | Show |
| Surrey | United Kingdom | 50 | Show |
| Suva Reka | Kosovo | 2 | Show |
| Swansea | United Kingdom | 37 | Show |
| Świętokrzyskie | Poland | 295 | Show |
| Syddanmark | Denmark | 510 | Show |
| Szabolcs-Szatmár-Bereg | Hungary | 5 | Show |
| Szeged | Hungary | 6 | Show |
| Tafilah | Jordan | 27 | Show |
| Tambov | Russia | 1 | Show |
