It can be seen at the East of the Causcus Mountain and to the West of the vast Steppe of Central Asia.Geographically and historically, Caspian Sea as an important hub of water routes, has served as the link between the Volga and Iran and between Transcaucasia and Central Asia and provided a corridor for Russia’s expansion into the Middle East and Central Asia . Initially, Russian expansion was not motivated by oil, however, after 1900, the Caspian secured prominence as the major supplier of the energy needs of the Russian empire.
