Kaštela Fortress

Kaštela Fortress - Credit: Wikimedia Commons

Kaštela or Kaštele is a cliff-hanging fortress built above the village of Rizvići, Fojnica, Bosnia and Herzegovina. The fortress is suspended against the cliffs of mount Zahor. It dates from the Middle Ages, from the time of the medieval Bosnian state. Read more on Wikipedia

type: military installation
date from: 15th century

Source: en.wikipedia.org