Azerbaijan, Baku, Sept. 12 / Trend V. Zhavoronkova/
The meeting of the heads of the Collective Security Treaty Organisation (CSTO) will be held in Russian Sochi on Sept. 23, INTERFAX.RU reported.
Yuri Ushakov, assistant to the Russian president stressed this will be a very important event.
The previous CSTO summit was held in Moscow on May 15, 2013.