Zvornik Fortress

Zvornik Castle (Bosnian, Croatian and Serbian: Zvornička tvrđava / Зворничка тврђава), also known as the Old Town of Zvornik (Stari grad Zvornik / Стари град Зворник) and Kula Grad (Кула Град, English: Tower City), is a medieval castle located in Zvornik, Bosnia and Herzegovina, on the mountain Mlađevac overlooking Drina Valley. Zvornik fortress is 147 metres (482 ft) above sea level.