Sestao

Sestao is a town and municipality in the province of Biscay in the autonomous community of the Basque Country in northern Spain. It is in the left bank of the Estuary of Bilbao and part of Bilbao's metropolitan area. It has 28,473 inhabitants.

Sestao was the place of the most important steel industry of Biscay, Altos Hornos de Vizcaya.