Vartan Oskanian yesterday met with Collective Security Treaty Organization (CSTO) Secretary General Nikolay Bordyuzha, reports the Armenian MFA Press Service. During the meeting the parties discussed situation in the CSTO territory and prospects of enhancing organization efficiency. Besides, CSTO cooperation prospects with other organizations were discussed. Thereupon, N. Bordyuzha presented the results of his visits to Central Asian countries and the UN Headquarters.