Bilbao (; ; ) is a municipality and city in Spain, a major city in the province of Biscay in the autonomous community of the Basque Country. It is the largest municipality of the Basque Country and the tenth largest in Spain, with a population of 353,187 in 2010. The Bilbao metropolitan area has roughly 1 million inhabitants, making it one of the most populous metropolitan areas in northern Spain; with a population of 875,552 the comarca of Greater Bilbao is the fifth-largest urban area in Spain. Bilbao is also the main urban area in what is defined as the Greater Basque region.