President.ir - President of the Islamic Republic of Iran was welcomed to Caspian Sea Littoral Sates Summit hall by President Nursultan Nazarbayev of Kazakhstan minutes ago. In the summit that is taking place on Sunday in Aktau city in Kazakhstan, President Hassan Rouhani is set to address the summit and explain Tehran’s stances and views on the importance of deepening cooperation and correlations among Caspian Sea Littoral Sates.