Överum is a locality in Västervik Municipality, in Kalmar County, Sweden. Överum lies at 64 m above sea level. It has 1,096 inhabitants (2023). The nearest city is Västervik, 32 km to the southeast. Among the landmarks around are Ukna Church (10.3 km), Lofta Church (10.6 km) and Dalhems kyrka (7.7 km).
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