Saint-Brieuc (Breton: Sant-Brieg) is a commune in France, situated in Côtes-d'Armor in Brittany. The inhabitants are called Briochins. Saint-Brieuc is named after a Welsh monk - St. Briocus, who evangelized the region in the 6th century and established an oratory there. Saint-Brieuc gives its name to Bro Sant-Brieg/Pays de Saint-Brieuc, one of the nine traditional bishoprics of Brittany, used as administrative areas before the French Revolution.
There is a big out of town commercial development in Langaeg/Langueux about 2km east of the town on the N12 expressway.
