The term 'Caspian and Black' refers to two seas: the Caspian Sea and the Black Sea. The Caspian Sea is the world's largest inland body of water, located between Europe and Asia. It is bordered by Russia, Kazakhstan, Turkmenistan, Iran, and Azerbaijan. The Black Sea is an inland sea located between southeastern Europe and western Asia. It is bordered by Bulgaria, Romania, Ukraine, Russia, Turkey, and Georgia.