Märsön is a locality in Enköping Municipality, in Uppsala County, Sweden. Märsön lies by the Mälaren. It has 262 inhabitants (2023). The nearest city is Enköping, 13.6 km to the northeast. Among the landmarks around are Strängnäs Cathedral (16.2 km), Birka (37 km) and Gripsholm Castle (32 km).
Admin