Tapia (Spanish: Tapia de Casariego) is a municipality in the Autonomous Community of the Principality of Asturias, Spain. It is bordered on the north by the Cantabrian Sea, on the east by El Franco, on the south and west by Castropol. Tapia is also the name of one of the parishes inside the municipality. Its capital is Tapia. The capital, is 127 km from Oviedo, from Gijón 122 km, 97 km from Lugo, from these cities can reach the council via road N-634, the freeway A-8 (E70), and Ranon the airport in site 86 km from the town, another railroad access is by the railway line FEVE Ferrol - Gijón with stops in La Roda.