Mutriku is a coastal town situated in the province of Gipuzkoa within the Basque Country region of northern Spain. It serves as a gateway to the Bay of Biscay and has a population of approximately 5,000 residents.
The town is notable for housing the Church of San Andrés, which dates back to 1080 and is recognized as one of the oldest churches in the Gipuzkoa province. Additionally, Mutriku is the site of the world's first multi-turbine breakwater wave power station, which opened on July 8, 2011.