Bilbao

Bilbao (the largest city in the Basque Country, in northern Spain, and capital city of the province of Biscay, Spain)

Related: bilbaíno

Three possibilities are: * From Basque billa (“stacking”) + Spanish vaho (“steam, mist”). * Evolution of Spanish bello vado (“beautiful river crossing”), from the Roman name, Latin bellum vadum. * From Basque billa-ibaia-bao (“river cove”).