Castrillón is a municipality in Asturias, located on the central coast. It has an area of 56.70 km² and a population of 22,361 inhabitants. The most important population centres are the capital Piedras Blancas, Salinas, and Raíces.
Wikipedia https://en.wikipedia.org/wiki/Castrillón
Coordinates 43°33'34.24" N -5°58'38.754" E
