The municipality of Castro Urdiales is most Eastern of Cantabria and is one of the most beautiful and tourist localities of the region. It combines infrastructures of a modern city with the enchantment and beauty of the old part, where the best gothic church of Cantabria and a medieval castle is raised on the port. Surrounded by blue characteristic of the Bay of Biscay, keeping that marine character that is guessed for example in the typical soportales of the seat, in many adornments of singular buildings, etc., the Railcar that Santander with Bilbao connects allows fast and comfortable displacements until Castro Urdiales.

During the summers it transforms its habitual tranquillity by the glad benefit of the good climatology and the free time celebrating celebrations by all the stop to which great amount of people of the own locality is faithful, of all the region and outside her.