The 4 arrondissements of the Finistère department are:[1] In 1800 the arrondissements of Quimper, Brest, Châteaulin, Morlaix and Quimperlé were established.
The arrondissement of Quimperlé was disbanded in 1926.
[2] The borders of the arrondissements of Finistère were modified in January 2017:[3]