This is a very well organised tournament which last year had participants from Croatia, Bosnia, Slovenia, Italy, Austria, Serbia, France, Switzerland, Denmark.
For the first time in this region you will be able to follow the matches by Live Streaming through http://hbjjs.hr/4RIVERS/livestreaming.html
IBJJF Rules
Sponsored by http://www.budosport.hr who will handing out prizes to winners.
More Info at http://hbjjs.hr/4RIVERS/index.htm
The Event Stadium
