Fortress of Doboj

Doboj Fortress or Gradina (Градина) is located in the city of Doboj, Bosnia and Herzegovina. Throughout its turbulent history, the fortress has been burned and ransacked at least 18 times as per official records. Of note is that Doboj fortress was considered to be a royal Kotromanić property, unlike Great Bosnian Duke Hrvoje's Zvečaj fortress or Sandalj Hranić's Blagaj fortress, which were centers of their respective duchies.