Tehran(IP)- Pointing to his presence at the 6th Caspian Summit in Ashgabat, Turkmenistan, and outlining the opinions of the Islamic Republic of Iran at the summit based on national interests, the President said that Iran would host the seventh summit of the Caspian Sea, reiterating the Caspian Sea belongs to the nations of this region and its management will be based on the joint management of the coastal states of this sea.206