| Name | Country | Code | Category | Parent Subdivision | Flag |
|---|---|---|---|---|---|
| Manche | France | FR-50 | metropolitan department | ||
| Marne | France | FR-51 | metropolitan department | ||
| Haute-Marne | France | FR-52 | metropolitan department | ||
| Mayenne | France | FR-53 | metropolitan department | ||
| Meurthe-et-Moselle | France | FR-54 | metropolitan department | ||
| Meuse | France | FR-55 | metropolitan department | ||
| Morbihan | France | FR-56 | metropolitan department | ||
| Moselle | France | FR-57 | metropolitan department | ||
| Nièvre | France | FR-58 | metropolitan department | ||
| Nord | France | FR-59 | metropolitan department |