Märserum is a village in Karlshamn Municipality, in Blekinge County, Sweden. Märserum lies at 4 m above sea level. The nearest city is Karlskrona, 35 km to the east. Beaches nearby: Näset (4.3 km), Bastaviken (4.2 km), Väbynäs (8.3 km). Among the landmarks around are Bräkne-Hoby Church (5.6 km), Carl Gustafs kyrka (11.4 km) and Holy Cross Church (15.2 km).