Ribadesella is a small 84-square-kilometre municipality in the Autonomous Community of the Principality of Asturias, Spain. Known for its location on the Cantabrian Sea, at the outlet of the River Sella, Ribadesella is a town that forms part of the Picos de Europa. It is bordered on the east by Llanes, on the south by Cangas de Onís and Parres, and on the west by Caravia. Ribadesella is the home town of Queen Letizia of Spain.