This commune has 3 delegated communes.
| Code | Name |
|---|---|
| 35069 | Châteaugiron |
| 35209 | Ossé |
| 35254 | Saint-Aubin-du-Pavail |
| Date | Type | Code | Name |
|---|---|---|---|
| 2017-01-01 | Creation of a new commune | 35069 | Châteaugiron |
| 2017-01-01 | Creation of a new commune | 35069 | Châteaugiron |
| 2017-01-01 | Creation of a new commune | 35209 → 35069 | Ossé → Châteaugiron |
| 2017-01-01 | Creation of a new commune | 35254 → 35069 | Saint-Aubin-du-Pavail → Châteaugiron |
| 1971-03-01 | Simple merger | 35069 | Châteaugiron |
| 1971-03-01 | Simple merger | 35349 → 35069 | Veneffles → Châteaugiron |
| 1943-01-01 | Creation | 35069 | Châteaugiron |