Regional countries work to address the security risks posed by jihadists returning from Syria and Iraq.
The recent EU conference in Berlin showed that the Union will work to get the Balkans as part of Europe, officials said.
Experts said mosques not under control of Islamic Communities breed extremist Islam and recruit jihad fighters.
Police action in Croatia resulted in an 11 percent increase in the seizure of illegal drugs, and authorities are following new drugs that are emerging on the market.
Participants in foreign conflicts can receive jail sentences of at least five years.
Jihadists from the region going to fight with ISIL are taking children with them, creating fear and condemnation at home.
Greece's ambassador to Macedonia said actions on the video are not consistent with the views of the Greek government or its citizens.
The Union allocated 1.5 billion euros for cultural and media projects.
The countries make incremental steps to improving relations.
Through bilateral, regional and NATO partnerships, Balkan armies support regional safety.