Coaña (Eonavian/Asturian/: Coaña) is a municipality in the Autonomous Community of the Principality of Asturias, Spain. It lies along the Cantabrian Sea to the north, and is bordered on the south by Boal, on the east by Navia and Villayón across the Navia River, and on the west by El Franco.

Coaña (Eonavian/Asturian/: Coaña) is a municipality in the Autonomous Community of the Principality of Asturias, Spain. It lies along the Cantabrian Sea to the north, and is bordered on the south by Boal, on the east by Navia and Villayón across the Navia River, and on the west by El Franco.