For 10 points, name this large inland sea, which is fed by the Volga River and borders such countries as Turkmenistan, Azerbaijan, and Iran.
The Shah Deniz natural gas field is located underneath the southwestern portion of this body of water, and a proposed gas pipeline will run underneath this body of water to a city named after Saparmurat Niyazov. The proposed Trans-Adriatic pipeline will connect this body of water to southern Europe. Though not the Aral Sea, the Amu Darya River once flowed into this body of water. Oil extracted from beneath this body of water often travels by pipeline to Ceyhan and Tbilisi from the city of Baku, which is located on this body of water. For 10 points, name this large inland sea, which is fed by the Volga River and borders such countries as Turkmenistan, Azerbaijan, and Iran.
The Shah Deniz natural gas field is located underneath the southwestern portion of this body of water, and a proposed gas pipeline will run underneath this body of water to a city named after Saparmurat Niyazov.
Caspian Sea