This commune has 2 delegated communes.
| Code | Name |
|---|---|
| 29021 | Brignogan-Plages |
| 29203 | Plounéour-Trez |
| Date | Type | Code | Name |
|---|---|---|---|
| 2017-01-01 | Deletion | 29021 | Brignogan-Plages |
| 2017-01-01 | Creation of a new commune | 29021 | Brignogan-Plages |
| 2017-01-01 | Creation of a new commune | 29021 | Brignogan-Plages → Plounéour-Brignogan-plages |
| 2017-01-01 | Creation of a new commune | 29203 → 29021 | Plounéour-Trez → Plounéour-Brignogan-plages |
| 1943-01-01 | Creation | 29021 | Brignogan-Plages |