What is "abando"

Abando was the name of an old municipality of Biscay (Spanish Basque Country), that was eventually absorbed by Bilbao. Nowadays, the name refers to the central district and neighbourhood of this city, holding the provincial administration, the long-distance RENFE Bilbao-Abando train station, three subway stations (Abando, Moyúa and Indautxu), and many commerces like El Corte Inglés department store.