Departments of Benin
is divided into 12 departments, and subdivided into 77 communes. In 1999, the previous six departments were each split into two halves, forming the current 12. Each of the six new departments was assigned a capital in 2008.
| Map key | Department | Capital | Population | Area | Population density | Former Department | Region | Sub-Region |
| 2 | Alibori | Kandi | 868,046 | 26,242 | 33.1 | Borgou | North | North East |
| 1 | Atakora | Natitingou | 769,337 | 20,499 | 37.5 | Atakora | North | North West |
| 10 | Atlantique | Allada | 1,396,548 | 3,233 | 432 | Atlantique | South | South Centre |
| 4 | Borgou | Parakou | 1,202,095 | 25,856 | 46.5 | Borgou | North | North East |
| 5 | Collines | Dassa-Zoumé | 716,558 | 13,931 | 51.4 | Zou | South | South Centre |
| 6 | Kouffo | Aplahoué | 741,895 | 2,404 | 308.6 | Mono | South | South West |
| 3 | Donga | Djougou | 542,605 | 11,126 | 48.8 | Atakora | North | North West |
| 11 | Littoral | Cotonou | 678,874 | 79 | 8,593.3 | Atlantique | South | South Centre |
| 9 | Mono | Lokossa | 495,307 | 1,605 | 308.6 | Mono | South | South West |
| 12 | Ouémé | Porto-Novo | 1,096,850 | 1,281 | 856.2 | Ouémé | South | South East |
| 8 | Plateau | Pobè | 624,146 | 3,264 | 191.2 | Ouémé | South | South East |
| 7 | Zou | Abomey | 851,623 | 5,243 | 162.4 | Zou | South | South Centre |