Kastelholman Castle is a medieval castle located on the Åland Islands. It was built in the 14th century by the Swedish monarchy and was used as a military and administrative center for the region. It was also the residence of several Swedish kings and nobles, such as Gustav Vasa and Duke John. The castle was damaged by fire and war several times, and was abandoned in the 18th century. It was restored in the 20th century and is now a museum and a tourist attraction.

This place suits for the whole family. With the ticket, you get inside the castle to explore and tour with a virtual guide. Children have also their own virtual adventure to the castle.