Movies filmed in Castro Urdiales, Cantabria, Spain

There are 4 movies that were filmed in Castro Urdiales, Cantabria, Spain.
City: Castro Urdiales State: Cantabria Country: Spain
Altamira
(2016)
Si Fulano fuese Mengano
(1971)
Un casto varón español
(1973)
La playa de los galgos
(2002)