The castle of Ereğli

The castle of Ereğli

It is the most famous historical structure in the district of Ereğli.

It is the most famous historical structure in the district of Ereğli. Its interior is lined with stucco, and its walls are covered with red mortar that hardens underwater. The area also includes high seating groups, towers, and walls. It's a fortress built during the Byzantine period. You can see the city from the top.