This is reported by TASS with reference to the press service of the President of Kazakhstan.

In total, the leaders of five countries will take part in the summit: Russia, Azerbaijan, Iran, Kazakhstan and Turkmenistan.

During the negotiations, they should discuss a convention on the legal status of the Caspian Sea. 

Earlier it was reported that the VI Caspian Summit is planned to be held in Turkmenistan.

As noted in Nur-Sultan, on May 23-24, the fourth meeting of the working group on the Caspian Sea was held in Tehran.

Later it was decided to hold it in Ashgabat.