Richie Hawtin, Adam Beyer and Ida Engberg (pictured) are among the names playing Exit Festival's Dance Arena this year.
Having showcased new design and light show last year, the Petrovaradin Fortress stage opens on July 12 and promises "even more innovations".
Other names playing include Ben Klock, Danish DJ Anastasia Kristensen, Amelie Lens and Croatia's DJ Jock.
This year, Exit will be holding five festivals in five countries as part of Exit Freedom. These will be the parent festival in Serbia, Festival 84 in Bosnia and Herzegovina, Sea Star in Croatia, Revolution Festival in Lithuania and Sea Dance in Montenegro.
EXIT runs from July 12 to 15. Head to the website for tickets and information.
Dave Turner is Mixmag's Digital News Editor, follow him on Twitter