This department has 433 communes.
| Code | Name | Population |
|---|---|---|
| 11262 | Narbonne | 57 587 |
| 11069 | Carcassonne | 46 080 |
| 11076 | Castelnaudary | 12 151 |
| 11206 | Limoux | 10 532 |
| 11203 | Lézignan-Corbières | 10 343 |
This department has 21 cantons.
| Code | Name | Central office |
|---|---|---|
| 1101 | La Piège au Razès | Bram |
| 1102 | Carcassonne-1 | Carcassonne |
| 1103 | Carcassonne-2 | Carcassonne |
| 1104 | Carcassonne-3 | Carcassonne |
| 1105 | Le Bassin chaurien | Castelnaudary |
This department has 3 departmental arrondissements.
| Code | Name | Administrative seat |
|---|---|---|
| 111 | Carcassonne | Carcassonne |
| 112 | Limoux | Limoux |
| 113 | Narbonne | Narbonne |