In 1800 the arrondissements of Digne, Barcelonnette, Castellane, Forcalquier and Sisteron were established. The arrondissements of Castellane and Sisteron were disbanded in 1926. Then, The arrondissement of Castellane was restored in 1942.[2]
The borders of the arrondissements of Alpes-de-Haute-Provence were modified in January 2017:[3]
nine communes from the arrondissement of Digne-les-Bains to the arrondissement of Castellane
16 communes from the arrondissement of Digne-les-Bains to the arrondissement of Forcalquier
six communes from the arrondissement of Forcalquier to the arrondissement of Digne-les-Bains