UPSC Civil Services Model Paper 5

The Caspian Sea is the largest enclosed inland body of water on Earth by area , variously classed as the world's largest lake or a full-fledged sea .
It lies to the east of the Caucasus Mountains and to the west of the vast steppe of Central Asia .
It is bounded by Kazakhstan to the northeast , Russia to the northwest , Azerbaijan to the west , Iran to the south , and Turkmenistan to the southeast.