The sea located between Europe and Asia is the Caspian Sea. It is the largest enclosed inland body of water on Earth, bordered by five nations: Russia, Kazakhstan, Turkmenistan, Iran, and Azerbaijan. Despite its name, the Caspian Sea is classified as a lake due to its lack of direct oceanic connections. The Caspian Sea supports diverse ecosystems and has significant economic importance, particularly for oil and gas extraction, fishing, and transportation. Its unique geographical position has made it a focal point for cultural and geopolitical interactions.