Roman name for the region later called Brittany, from a Gaulish word, Armor, meaning land facing the sea, a name which also extended along the Channel coast beyond Brittany. . The inland of Brittany was known as Arcoet, the land of woods. The influx of immigrants from Britain in the 5th and 6th centuries led to the change of name to Brittany. In 1991 the Département des Côtes-du-Nord, a typical revolutionary name avoiding all provincial references, became that of Côtes-d’Armor.