After twenty-two years of negotiations, in Aktau on August 12, 2018, Kazakhstan, Azerbaijan, Iran, Russia, and Turkmenistan signed the Convention on the Legal Status of the Caspian Sea. The preamble of the Convention stipulates, among other things, that the Convention, made up of twenty-four articles, was agreed on by the five states based on principles and norms of the Charter of the United Nations and International Law. The enclosed Caspian Sea is bordered by Iran, Russia, and three states that were established following dissolution of the Soviet Union, namely Azerbaijan, Kazakhstan, and Turkmenistan.