Otxandio is part of the comarca of Durangaldea and has a population of 1,269 inhabitants as of 2010 according to the Spanish National Statistics Institute.

Early in the Spanish Civil War, on 22 July 1936, Otxandio was bombed by two Nationalist Breguet XIX bombers, which attacked the main square during the celebration of the "fiestas de Santa María" killing 57[2]-61[3] people, almost all of them civilians.

[4] Otxandio serves during centuries as the port of entry of Biscay from Álava.

It is located at the southernmost part of the province and limits with Abadiño at north, Dima at north and west, Ubide at southwest and the province of Álava at south.

This article about a location in the Basque Country, Spain, is a stub.