About Valjala Stronghold
Fortifications, Historic, Interesting Places, Hillforts
The Valjala Stronghold (Latin: Castrum Waldia, Estonian: Valjala Maalinn) was a major ringfort on the island of Saaremaa in Estonia. Established in the 12th century, at the time it was the most important Oeselian stronghold. Its surrender in 1227 finalized the crusader conquest of Estonia.
Source From:
Wikipedia
Saaremaa vald, Eesti