Beogradska Tvrdjava, located in Novi Beograd, Serbia, is a historic cultural complex that encompasses the renowned Belgrade Fortress and the serene Kalemegdan Park, spanning over 60 hectares. Established in 2002, the organization is dedicated to the preservation and enhancement of this significant cultural heritage site, which attracts around two million visitors annually. This iconic destination combines rich history with modern recreation, serving as a favorite retreat for both locals and tourists alike.

Visitors can explore various attractions, including the Great Staircase, the Monument of Victor, and Jakšićeva Tower. The complexity of the fortress houses important archaeological sites and historical monuments. The organization also hosts numerous events, concerts, and exhibitions throughout the year, such as the "Music as a Gift" series, which showcases local talents. Additionally, a souvenir shop offers a range of unique products, ensuring that visitors leave with a piece of this extraordinary cultural landmark. Beogradska Tvrdjava is committed to preserving its national identity while providing educational and recreational opportunities for all.