Sundholmen is a village in Haparanda Municipality, in Norrbotten County, Sweden. The nearest city is Luleå, 95 km to the west. Beaches nearby: Näätsaaren (0.8 km), Kallioputaan (2.6 km), Kaakamonniemen (14 km). Among the landmarks around are Alatornio Church (1.2 km), Tornio Church (3.4 km) and Haparanda Church (1.9 km).