Officials say the successful march shows the nation is promoting respect for diversity.
Greece is an important partner to Serbia in developing its capacities for multi-national operations, EU integration and military education.
Washington is helping Serbia assume a new role as a training centre for international forces.
Countries are focusing on helping the minority group to legalise their housing settlements.
The proposal has been welcomed as an effort to increase cultural diplomacy between the two countries.
Regional co-operation between NGOs and the police can help stop the growing phenomenon, experts said.
Human rights groups and the opposition criticise light court sentences and a dropped investigation into violence against immigrants.
Initial meetings of youth organisations result in agreements for joint projects.
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.
The countries make incremental steps to improving relations.
The Alliance provides funds and equipment to children and adults with special needs.
Experts warn that Ebola is a major threat to the region and could be used as a weapon by terrorists.
Armies in the region have been improving their co-operation through joint military medicine activities.
Bloggers are divided whether the government can implement the law and protect public health.
Lawmakers say they are committed to meeting the EU deadlines to move the accession process along.