Ankara Castle

Ankara Castle (Turkish: Ankara Kalesi) is a fortification from ancient or medieval era in Ankara, Turkey. The exact date of its construction is unknown. Having been controlled by Romans and Byzantines earlier; it was captured by Seljuq Turks in 1073, by Crusaders in 1101, who gave it back again to the Byzantine and again by Seljuqs in 1227. The castle saw extensive repair by the order of İbrahim Paşa in 1832 during the Ottoman era.

• http://en.wikipedia.org/wiki/Ankara Castle