Kalemegdan Fortres, Belgrade, Serbia (Republic of Serbia)
Kalemegdan Fortress is a historic and cultural landmark located in Belgrade, Serbia, overlooking the confluence of the Danube and Sava Rivers. Dating back to ancient Roman times, this monumental fortress has stood as the heart of Belgrade for centuries, witnessing countless battles and empires. Today, Kalemegdan Fortress serves not only as a symbol of Serbia’s history but also as a vibrant open-air venue for concerts, art exhibitions, and major festivals. Its large courtyards, stone ramparts, and panoramic city views create a dramatic and unforgettable setting for live performances. Surrounded by Kalemegdan Park, one of Belgrade’s most beloved green spaces, the fortress offers visitors a unique mix of heritage, culture, and entertainment — where ancient walls echo with modern music.