Zvornik Fortress is a historical site located in the town of Zvornik, Bosnia and Herzegovina. It was built in the 15th century and served as a strategic military stronghold. The fortress is situated on a hill overlooking the confluence of the Drina River and the Sava River, providing a commanding view of the surrounding area. The fortress features thick stone walls and several towers, which were designed for defense against invaders. Over the years, Zvornik Fortress has undergone various renovations and restorations, making it an important cultural landmark. Today, it attracts visitors interested in history and architecture.