The 4 arrondissements of the Alpes-de-Haute-Provence department are:[1]
- Arrondissement of Barcelonnette, (subprefecture: Barcelonnette) with 14 communes. The population of the arrondissement was 7,874 in 2016.
- Arrondissement of Castellane, (subprefecture: Castellane) with 41 communes. The population of the arrondissement was 11,403 in 2016.
- Arrondissement of Digne-les-Bains, (prefecture of the Alpes-de-Haute-Provence department: Digne-les-Bains) with 46 communes. The population of the arrondissement was 47,298 in 2016.
- Arrondissement of Forcalquier, (subprefecture: Forcalquier) with 97 communes. The population of the arrondissement was 95,990 in 2016.