Caspian Sea

American  

noun

1. a salt lake between southeastern Europe and Asia: the largest inland body of water in the world. About 169,000 square miles (438,000 square kilometers); 85 feet (26 meters) below sea level.

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Caspian Sea British  

/ ˈkæspɪən /

noun

1. a salt lake between SE Europe and Asia: the largest inland sea in the world; fed mainly by the River Volga. Area: 394 299 sq km (152 239 sq miles)

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Caspian Sea Cultural  

1. Saltwater lake between Europe and Asia, bordered by Azerbaijan, and Russia to the west, Kazakhstan to the north and east, Turkmenistan to the east, and Iran to the south and west; the largest inland body of water in the world.

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Discover More

The Volga River empties into the Caspian Sea.

Etymology

Origin of Caspian Sea

First recorded in 1590–1600

Example Sentences

Alternative routes -- reaching Europe via the Caspian Sea to bypass Russia and Iran -- do not have the capacity to absorb a sudden surge in cargo.

From Barron's • Mar. 10, 2026

“People are really scared,” said a retired oil executive who packed his bags and fled for his villa on the Caspian Sea after watching missiles flying over Tehran.

From The Wall Street Journal • Feb. 28, 2026

An Iranian oil executive is planning to leave the capital for his second home, a villa by the Caspian Sea, where he and his family relocated during Israel’s 12-day war in June.

From The Wall Street Journal • Feb. 23, 2026

Gordon's memorable night on the shores of the Caspian Sea ensured the second leg at St James' Park on February 24 should be a mere formality.

From Barron's • Feb. 18, 2026

For example, wild flax occurs west to Britain and Algeria and east to the Caspian Sea, while wild barley occurs east even to Tibet.

From "Guns, Germs, and Steel: The Fates of Human Societies" by Jared M. Diamond