Arratzu
Municipality
Coat of arms
Arratzu Location of Arratzu within the Basque Country
Coordinates: 43°19′10″N 2°38′35″W / 43.31944°N 2.64306°W / 43.31944; -2.64306
Country	Spain
Autonomous community	Basque Country
Province	Biscay
Comarca	Busturialdea
Government
• Mayor	Josu Sabin Olano (PNV)
Area
• Total	10.34 km2 (3.99 sq mi)
Elevation	40 m (130 ft)
Population  (2018)[1]
• Total	418
• Density	40/km2 (100/sq mi)
Demonym	Basque: arratzuarra
Time zone	UTC+1 (CET)
• Summer (DST)	UTC+2 (CEST)
Postal code	4838
Official language(s)	Basque Spanish
Website	Official website

Arratzu is a town and municipality located in the province of Biscay, in the autonomous community of the Basque Country, northern Spain.

• ARRATZU in the Bernardo Estornés Lasa - Auñamendi Encyclopedia (Euskomedia Fundazioa) (in Spanish)