Ozalj Castle (Stari grad Ozalj)

Ozalj Castle (Croatian: Stari grad Ozalj or Gradina Ozalj) is a castle in the town of Ozalj, Croatia. The Ozalj fortress, located on the stone cliff perched above the Kupa River, is one of the best-known fortifications of this type in Croatia. Photo © credits: iStock/Boris25