For the fifth year in a row, this family festival of all festivals is taking place at Kalemegdan fortress. Three whole days filled with various forms of entertainment, from music to film, dance, and lots of information about the many touristic attractions in the country. With 10 festival zones, 5 stages, a multitude of activities for both adults and kids, Manifest brings all the joys of Serbia to one place. And the best part? Entrance is entirely free!