Niš Fortress is a monumental fortification in the center of Niš, on the right bank of the Nišava River. This historical monument is considered one of the best-preserved Turkish citadels in the Balkans and is a major architectural landmark of Serbia. The fortress as we see it today was built by the Turks in the early 18th century on the foundations of earlier Roman, Byzantine, and medieval fortifications.
The structure is impressive in scale: its walls reach a height of 8 meters, and their total length exceeds 2 kilometers. The fortress is polygonal in shape, reinforced by eight bastions and four massive gates that have survived to this day. During construction, not only stone but also fragments of ancient sarcophagi and buildings were used, which can be seen in the masonry of the walls. Previously, the fortress was surrounded by a wide moat filled with water from the river, part of which still remains.
Today, Niš Fortress is not just a historical site, but a true cultural center and park. Inside its walls, you can find the remains of Roman streets, the Turkish Bali Bey Mosque, an ancient hammam, and powder magazines. The former mosque now functions as an art gallery, and the summer stage regularly hosts festivals and concerts, including the famous Nišville Jazz Festival. This makes the fortress a favorite leisure spot for both tourists and locals.