Barsk is a settlement in Haparanda Municipality, in Norrbotten County, Sweden. The nearest city is Luleå, 101 km to the west. Among the landmarks around are Karl Gustavs kyrka, Norrbotten (10.7 km), Hietaniemi Church (12.2 km) and Karunki Church (12.0 km). Among the natural features are Roomisaari (8.7 km).
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