This department has 341 communes.
| Code | Name | Population |
|---|---|---|
| 34172 | Montpellier | 310 240 |
| 34032 | Béziers | 81 545 |
| 34301 | Sète | 45 337 |
| 34003 | Agde | 29 939 |
| 34145 | Lunel | 26 623 |
This department has 27 cantons.
| Code | Name | Central office |
|---|---|---|
| 3401 | Agde | Agde |
| 3402 | Béziers-1 | Béziers |
| 3403 | Béziers-2 | Béziers |
| 3404 | Béziers-3 | Béziers |
| 3405 | Cazouls-lès-Béziers | Cazouls-lès-Béziers |
This department has 3 departmental arrondissements.
| Code | Name | Administrative seat |
|---|---|---|
| 341 | Béziers | Béziers |
| 342 | Lodève | Lodève |
| 343 | Montpellier | Montpellier |