This commune has 2 delegated communes.
| Code | Name |
|---|---|
| 22158 | Mûr-de-Bretagne |
| 22298 | Saint-Guen |
| Date | Type | Code | Name |
|---|---|---|---|
| 2017-01-01 | Deletion | 22158 | Mûr-de-Bretagne |
| 2017-01-01 | Creation of a new commune | 22158 | Mûr-de-Bretagne → Guerlédan |
| 2017-01-01 | Creation of a new commune | 22158 | Mûr-de-Bretagne |
| 2017-01-01 | Creation of a new commune | 22298 → 22158 | Saint-Guen → Guerlédan |
| 1957-04-01 | Creation | 22158 | Mûr-de-Bretagne |
| 1957-04-01 | Name change | 22158 | Mûr → Mûr-de-Bretagne |
| 1943-01-01 | Creation | 22158 | Mûr |