| Name | Country | 14C dates | |
|---|---|---|---|
|
361-380 / 735 show all | |||
| Māzandarān | Iran | 0 | Show |
| Mayo | Ireland | 66 | Show |
| Matruh | Egypt | 0 | Show |
| Masowien/Mazowieckie | Poland | 0 | Show |
| Masovian Voivodeship | Poland | 6 | Show |
| Masovian | Poland | 0 | Show |
| Maskat | Oman | 0 | Show |
| Martinique | France | 0 | Show |
| Mariagerfjord Municipality | Denmark | 3 | Show |
| Marche | Italy | 0 | Show |
| Mandalay-Division | Burma | 0 | Show |
| Manchester | England | 0 | Show |
| małopolskie | Poland | 87 | Show |
| Malmohus | Sweden | 130 | Show |
| Malatya | Turkey | 0 | Show |
| Málaga | Spain | 0 | Show |
| Mährisch-Schlesien / Moravskoslezský kraj | Czech Republic | 0 | Show |
| Magherafelt | Northern Ireland | 0 | Show |
| Madaba | Jordan | 0 | Show |
| Ma'an | Jordan | 0 | Show |
