"Arrigorriaga es un municipio del Gran Bilbao, en la provincia de Vizcaya, País Vasco (España). Está situado a orillas del río Nervión a 6 km de Bilbao. Su extensión es de 16,36 km² y su población es de 12 374 habitantes (INE 2014)."
"Arrigorriaga is a town and municipality located in the province of Bizkaia, in the autonomous community of Basque Country, northern Spain. Arrigorriaga is located 7 km south of Bilbao and is part of Bilbao's metropolitan area. Its official population at the 2010 census was 12,358 inhabitants living on a land area of 16.36 square kilometres (6.32 sq mi).It is conterminous with Bilbao and Basauri in the north, with Ugao-Miraballes and Zeberio in the south, with Zaratamo in the east and with Arrankudiaga and Alonsotegi in the west."