The next meeting of the High-Level Working Group on the Caspian Sea will be held in Nur-Sultan on April 16-17, spokesperson for the Foreign Ministry of Kazakhstan Aibek Smadiyarov said.
"All parties have confirmed their participation," TASS cited him as saying.
The first meeting of the High-Level Working Group on the Caspian Sea was held on February 19-20 in Baku. It was attended by delegations from Azerbaijan, Iran, Kazakhstan, Russia and Turkmenistan.