Barakaldo is a city in the Basque Country in Spain. It is located in the Biscay (Bizkaia) province, administratively included in the "Basque Autonomous Community", on the left bank of the Estuary of Bilbao. Barakaldo is part of Bilbao's metropolitan area (Greater Bilbao), and its official population at the 2011 census was 100,061 inhabitants living on a land area of 29.39 km² (11.35 sq mi). The area has an industrial river-port heritage and has undergone significant redevelopment with new commercial and residential areas replacing the once active industrial zones.