This department has 253 communes.
| Code | Name | Population |
|---|---|---|
| 85191 | La Roche-sur-Yon | 54 849 |
| 85194 | Les Sables-d'Olonne | 49 603 |
| 85047 | Challans | 22 943 |
| 85146 | Montaigu-Vendée | 21 134 |
| 85109 | Les Herbiers | 16 521 |
This department has 18 cantons.
| Code | Name | Central office |
|---|---|---|
| 8501 | Aizenay | Aizenay |
| 8502 | Challans | Challans |
| 8503 | Chantonnay | Chantonnay |
| 8504 | La Châtaigneraie | La Châtaigneraie |
| 8505 | Fontenay-le-Comte | Fontenay-le-Comte |
This department has 3 departmental arrondissements.
| Code | Name | Administrative seat |
|---|---|---|
| 851 | Fontenay-le-Comte | Fontenay-le-Comte |
| 852 | La Roche-sur-Yon | La Roche-sur-Yon |
| 853 | Les Sables-d'Olonne | Les Sables-d'Olonne |