The Croatian Free Software community is growing. You'll find here a series of links about the organizations and conference happening there.
List of Free Software associations in Croatia
SOK (Split) See also Joinup article Software workshops attract Croatian students
Information about Free software in Croatia
Free Software conferences
FLOSS Conference in Čakovec, 3-4 July 2010
12th Traditional Linux Users Conference CLUC May 5th - 7th, 2010
If you want more information, please contact Saša Buklijaš <buklijas DOT sasa AT gmail DOT com>.