Walls of Dubrovnik - Wikipedia

21 of the Great Fortresses Around the World

7 Croatian fortresses to check out

City of Castles in the World : 7 Cities That Are Perfect For Heritage Lovers

Old Fortress in Corfu, Greece

Gori Fortress (Georgian: გორის ციხე) is a 13th century castle, situated on a hill above the city of Gori (Georgian: გორი) …

History, Barone Fortress Sibenik

Belgrade Fortress - Wikipedia

Walls of Dubrovnik architecture • Dubrovnik fortress

Cities for the Legions: A Brief look at the Roman Fortress

30 Must-See European Fortresses, Forts and Fortified Towns - KarsTravels