Speaking of Popcorn, if you want movie details from a Croatian perspective, go visit Popcorn for a read.
The Motovun Film Festival in Zagreb, Croatia is calling for entries with a deadline of June 20th if you are sending feature films. Online entries for short films and animations have until the 15th of June for submission. Film applications may be sourced from this here link. That there link also will take you to the regulations and Online entry form also.
Last time I posted on the Motovun Film Festival was in regards to Ken Russell winning the Maverick Filmmakers Award, he was in Croatia shooting Moll Flanders.