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
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>.