Departments of Brittany

Finistère (; ; ) is a department of France in the extreme west of Brittany. Its prefecture is Quimper and its largest city is Brest. In 2023, it had a population of 933,455.

The Morbihan ( ; ; ) is a department in the administrative region of Brittany, situated in the northwest of France. It is named after the Morbihan (small sea in Breton), the enclosed sea that is the principal feature of the coastline. It had a population of 783,390 in 2023. It is noted for its Carnac stones, which predate and are more extensive than the Stonehenge monument in Wiltshire, England.

Ille-et-Vilaine (; ; ) is a department of France, located in the region of Brittany in the northwest of the country. It is named after its two main rivers, the Ille and the Vilaine. It had a population of 1,120,666 in 2023.

The '''Côtes-d'Armor ( , ; ; , ), formerly known as Côtes-du-Nord''' until 1990 (, ), is a department in the north of Brittany, in northwestern France. In 2023, it had a population of 611,859.