| Name | Country | 14C dates | |
|---|---|---|---|
|
501-520 / 936 show all | |||
| Kuyavian-Pomeranian | Poland | 565 | Show |
| Krško | Slovenia | 8 | Show |
| Kriti | Greece | 50 | Show |
| Královéhradecký | Czechia | 1 | Show |
| K.P. | Pakistan | 23 | Show |
| Kotor | Montenegro | 1 | Show |
| Kotayk | Armenia | 2 | Show |
| Kosovska Mitrovica | Kosovo | 1 | Show |
| Košický | Slovakia | 5 | Show |
| Konya | Turkey | 119 | Show |
| Komi | Russia | 1 | Show |
| Komárom-Esztergom | Hungary | 0 | Show |
| Kolubarski | Republic of Serbia | 1 | Show |
| Kobarid | Slovenia | 9 | Show |
| Klaipedos | Lithuania | 2 | Show |
| Kirovohrad | Ukraine | 24 | Show |
| Kirklees | United Kingdom | 3 | Show |
| Kirklareli | Turkey | 27 | Show |
| Kilkenny | Ireland | 36 | Show |
| Kildare | Ireland | 120 | Show |
