| Name | Country | 14C dates | |
|---|---|---|---|
|
381-400 / 936 show all | |||
| Ivanovo | Russia | 5 | Show |
| Izmir | Turkey | 5 | Show |
| Jaén | Spain | 81 | Show |
| Jämtland | Sweden | 2 | Show |
| Janub Sina' | Egypt | 3 | Show |
| Jász-Nagykun-Szolnok | Hungary | 29 | Show |
| Jerusalem | Israel | 7 | Show |
| Jihočeský | Czechia | 11 | Show |
| Jihomoravský | Czechia | 119 | Show |
| Jizan | Saudi Arabia | 1 | Show |
| Jomala | Finland | 6 | Show |
| Jönköping | Sweden | 6 | Show |
| Jura | Switzerland | 8 | Show |
| Jura | France | 40 | Show |
| Južno-Backi | Republic of Serbia | 3 | Show |
| Južno-Banatski | Republic of Serbia | 19 | Show |
| Kalmar | Sweden | 218 | Show |
| Kalmyk | Russia | 2 | Show |
| Kandahar | Afghanistan | 5 | Show |
| Karak | Jordan | 4 | Show |
