Bilbao is a station on Line 1 and Line 4 of the Madrid Metro. It is located in Zone A. It is named after the Basque city Bilbao.
Wikipedia https://en.wikipedia.org/wiki/Bilbao_(Madrid_Metro)
Address 5B Glorieta de Bilbao, Madrid 28004, Spain
Coordinates 40°25'44.414" N -3°42'6.804" E