Karacahisar Castle - Credit: Wikimedia Commons
Karacahisar Castle - Credit: Wikimedia Commons
Karacahisar Castle, Karaca Hisar Castle or Karajahisar Castle (, ) is a ruined Byzantine castle on a plateau near the Porsuk River, southwest of Eskişehir, Turkey. It stands above sea level, is surrounded by walls, and covers an area of 60,000 square meters. Read more on Wikipedia
Source: en.wikipedia.org