The central part of the exercise would be held in the region of the Serbian village of Srbovo on June 27, and Serbian President Boris Tadic and his Bulgarian and Romanian counterparts Georgi Parvanov and Traian Basescu will attend, Sutanovac said in a statement.

The objective of the exercise, which will take place on June 25- 29, is a joint training of the national crisis management systems, said the statement, adding that representatives of all three countries planned the exercise in which more than 1,600 troops and civilians will take part to show their skills in dealing with terrorism, ecological crises and natural disasters.

Bulgaria will have 360, Romania around 700, and Serbia around 550 representatives, including members of the armed forces, police, ministries of foreign affairs, and other state organs in charge of aspects of security.

On June 14, Sutanovac signed a memorandum on this exercise at the NATO headquarters in Brussels along with his Bulgarian counterpart Veselin Bliznakov and his Romanian opposite number Teodor Viorel Melescanu.