Experts from various countries taking part in a preparatory session in Vienna on Monday defined the final details pertaining to the exercise, which will take place on a military range near the Croatian town of Slunj.
The Republic of Croatia has set an example of excellent cooperation with this international organisation, the CTBTO Executive Secretary Tibor Toth said on Monday.
The exercise, which will include about 40 experts from various countries, will cost about 90,000 euros, which will be fully covered by the CTBTO.
In 2002 Croatia ratified the nuclear test ban treaty in 2002.