CoatrévenCoatréven is a commune in the Côtes-d'Armor department of Brittany in northwestern France.WWW coatreven.frToponymyThe name Coatréven is typically Breton, "koad" meaning "wood" and "Raven" from the name of an Armorican saint of the 4th century or "tréven" could come from the Old Breton "treb" meaning "village".PopulationInhabitants of Coatréven are called Coatrévenais in French.