Arnuero is a municipality in the province and autonomous community of Cantabria, northern Spain.
The municipality is located in the northeastern portion of the province, and includes three small villages : Arnuero, Soano and Isla. Isla has two seaside districts, popular tourism destinations, Quejo and Playa la Arena.
Wikipedia https://en.wikipedia.org/wiki/Arnuero
Coordinates 43°28'16.983" N -3°34'3.159" E