Greater Bilbao (Basque: Bilboaldea, Spanish: Gran Bilbao) is an administrative division of the province of Biscay, in the Basque Country, Spain.
Greater Bilbao is formed by the municipalities situated along the Estuary of Bilbao which themselves form a metropolitan area, the fifth most populous in Spain.
Greater Bilbao, or Bilboaldea, is located at the northwest of the province of Biscay, limiting with the comarcas of Enkarterri in the west, Mungialdea and Busturialdea in the east, Durangaldea in the southeast and Arratia-Nerbioi in the south.
The Bay of Biscay limits at north.
The 25 municipalities, among with some others, make the Metropolitan Area of Bilbao.