The 4 arrondissements of the Manche department are:[1] In 1800 the arrondissements of Saint-Lô, Avranches, Coutances, Mortain and Valognes were established.
The arrondissement of Cherbourg was created in 1811.
The arrondissements of Mortain and Valognes were disbanded in 1926.
[2] The borders of the arrondissements of Manche were modified in January 2017:[3]