Côtes-d'Armor

Côtes-d'Armor
Aodoù-an-Arvor (Breton)
The departmental council and prefectural building in Saint-Brieuc.
Location of Côtes-d'Armor in France
Coordinates: 48°20′N 02°50′W / 48.333°N 2.833°W / 48.333; -2.833
CountryFrance
RegionBrittany
PrefectureSaint-Brieuc
SubprefecturesDinan
Guingamp
Lannion
Government
  President of the departmental councilChristian Coail (PS)
Area
  Total
6,878 km2 (2,656 sq mi)
Population
 (2022)
  Total
609,598
  Rank42nd
  Density89/km2 (230/sq mi)
Time zoneUTC+1 (CET)
  Summer (DST)UTC+2 (CEST)
Department number22
Arrondissements4
Cantons27
Communes348
^1 French Land Register data, which exclude estuaries, and lakes, ponds, and glaciers larger than 1 km2

The Côtes-d'Armor (/kt dɑːrmər/ koht dar-mər, /-dɑːrmɔːr/ -dar-mor; French pronunciation: [kot daʁmɔʁ] ; Breton: Aodoù-an-Arvor, [ˈoːdu ãn ˈarvor]), formerly known as Côtes-du-Nord until 1990 (Breton: Aodoù-an-Hanternoz, [ˈoːdu ãn ˌhãntɛrˈnoːs]), is a department in the north of Brittany, in northwestern France. In 2019, it had a population of 600,582.