Kale Fortress is a historic castle located in Belgrade, the capital of Serbia. It sits at the confluence of the Sava and Danube rivers, offering strategic views of the surrounding area. The fortress has roots dating back to the Roman period and has been expanded and modified over centuries by various rulers, including the Ottomans and Austro-Hungarians. Today, Kale Fortress is a popular tourist attraction, featuring well-preserved walls, towers, and beautiful parks. Visitors can explore its rich history, enjoy panoramic views of the rivers and the city, and participate in cultural events held within its grounds.