Linnus või kindlus
Vao linnus
saksa keeles: Wack

The vao vassal stronghold (German: Vasallenburg Wack) was the fortified main building of the once Vao estate. Today, the fortress is located in the village of Vao in the municipality of Little Mary in West Viru County. Inside the tower castle is the Vao Tower Castle-Museum.
Ava kaardil Vaata seda kohta vanadel kaartidel ja tänapäeval