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 is in. read more
The Caspian Sea, like the Aral Sea, Black Sea, and Lake Urmia, is a remnant of the ancient Paratethys Sea. It became landlocked about 5.5 million years ago due to tectonic uplift and a fall in sea level. read more
Caspian Sea Facts Published on July 6, 2011 in World Facts by Interesting Facts Known as Qazvin in the ancient times, the Caspian sea is surrounded by southern Russia, Turkmenistan, Northern Iran, Azerbaijan and Kazakhstan. read more