Mälarhusen is a settlement in Simrishamn Municipality, in Skåne County, Sweden. The nearest city is Ystad, 25 km to the west. Among the landmarks around are Glimmingehus (9.9 km), Ale's Stones (10.5 km) and The King's Grave (30 km). Among the natural features are Röekillorna Spring (5.2 km).