Utö hus is a medieval manor on Arnö island in lake Mälaren in Uppland, Sweden.
Grönsö Manor is a manor on the island Grönsö in Lake Mälaren. It lies in Enköping Municipality, Sweden.
The Altuna Runestone, listed as U 1161 in the Rundata catalog, is a Viking Age memorial runestone with images from Norse mythology that is…
