Cangas del Narcea is the oldest
municipality in the
Principality of
Asturias in
Spain. It is also the largest municipality in Asturias. It is in the southwest of Asturias, on the Asturian border with
León. Formerly, Cangas del Narcea was known as Cangas de Tineo (
Asturian: Cangas de Tinéu). Cangas del Narcea is also the name of the municipality's
capital, and one of the judicial districts in Asturias.