Fullerö Castle - Credit: Wikimedia Commons
Fullerö Castle is a castle and fideicommissum since 1739, in Barkarö, Sweden. Augustin Ehrensvärd, who was in charge of building the Suomenlinna (Sveaborg) fortress, was born in Fullerö Castle. The comital family Cronstedt acquired the castle in the 17th century. Read more on Wikipedia
Source: en.wikipedia.org