It's the capital of Spain's Vizcaya province
[DOC] [TLE] Vizcaya | province, Spain | Britannica.com [PAR] Bilbao city, the provincial capital and seaport, and its environs constitute the 
industrial (iron, steel, and chemicals) and commercial centre of Vizcaya, which 
has... [DOC] [TLE] Biscay - Wikipedia [PAR] Biscay is a province of Spain located just south of the Bay of Biscay.