Siarö Fort in Österåkers – attraction in Sweden
Siarö Fort – was built as part of the Vaxholm's outer fortification line and it is currently the military museum..
About this place
Siarö Fort is a castles in Österåkers, Uppland, Sweden. Was built as part of the Vaxholm's outer fortification line and it is currently the military museum.. Source: Wikidata / Wikipedia.