Sondika (Spanish, Sondica) is a town and municipality located in the province of Biscay, in the Autonomous Community of Basque Country, northern Spain.
It is the location of Bilbao British Cemetery, containing a Commonwealth War Graves Cemetery (maintained by the Commonwealth War Graves Commission) with 58 casualties.
Coordinates: 43°17′57″N 2°55′34″W / 43.29917°N 2.92611°W