This commune no longer exists in the current COG. Here is its history in the Official Geographic Code.
| Date | Type | Code | Name |
|---|---|---|---|
| 2020-07-11 | Deletion of a delegated commune | 28093 → 28012 | Châtillon-en-Dunois → Commune nouvelle d'Arrou |
| 2017-01-01 | Deletion | 28093 | Châtillon-en-Dunois |
| 2017-01-01 | Creation of a new commune | 28093 | Châtillon-en-Dunois |
| 2017-01-01 | Creation of a new commune | 28093 → 28012 | Châtillon-en-Dunois → Commune nouvelle d'Arrou |
| 1943-01-01 | Creation | 28093 | Châtillon-en-Dunois |