Ekerö is a municipality in Stockholm County, and the only Swedish municipality with two UNESCO World Heritage Sites: Birka and Drottningholm.
Lake Mälaren has been an important transport route for a millennium. Around AD 1000, Birka and Adelsö were important centers of commerce, while Stockholm was primarily a fortress to keep pirates out of Mälaren.
In modern times, Ekerö has become more of a suburb to Stockholm, while farmlands and nature still dominate the area.
SL buses from the subway station at Brommaplan.
Strömma runs boats from Stockholm City Hall to Drottningholm and Birka.
Most islands are connected by road. Adelsö is connected by a no-cost ferry.