Orsta is a village in Enköping Municipality, in Uppsala County, Sweden. Orsta lies at 34 m above sea level. The nearest city is Enköping, 16.5 km to the south. Among the landmarks around are Uppsala Cathedral (31 km), Skokloster Castle (31 km) and Härkeberga Church (11.2 km). Among the natural features are Pukeberget (3.7 km).