Golubac Fortress is a medieval fortress located near the city of Golubac, in northern Serbia. It is situated on the right bank of the Danube River, at the entrance to the Djerdap National Park. The fortress was built during the 14th century and served as an important defensive structure for the Balkan region during the Ottoman Empire.

The Golubac Fortress consists of ten towers, connected by walls and gates, making it one of the most well-preserved medieval fortresses in Europe. The towers are of different shapes and sizes, including circular and rectangular towers, with the tallest being 30 meters high.

Throughout its history, the fortress has been the site of many battles and has changed hands multiple times between different empires and armies. Today, the fortress is a popular tourist attraction, attracting visitors from all over the world to see its well-preserved structures and admire the stunning views of the Danube River.

Visitors can explore the interior of the fortress, including the towers and walls, and climb to the top for panoramic views of the surrounding area. There is also a small museum located on the grounds, showcasing the history and significance of the fortress.