Black Sea

American  

[blak see] / ˈblæk ˈsi /

noun

1. a sea between Europe and Asia, bordered by Turkey, Romania, Bulgaria, Ukraine, Georgia, and the Russian Federation. 164,000 sq. mi. (424,760 sq. km).

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Black Sea British  

noun

1. Ancient names: Pontus Euxinus.   Euxine Sea.  an inland sea between SE Europe and Asia: connected to the Aegean Sea by the Bosporus, the Sea of Marmara, and the Dardanelles, and to the Sea of Azov by the Kerch Strait. Area: about 415 000 sq km (160 000 sq miles)

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Black Sea Cultural  

1. Sea between Europe and Asia, bordered on the north by Moldova and Ukraine, on the northeast by Russia, on the east by Georgia, on the south by Turkey, and on the west by Bulgaria and Romania. It receives many great rivers, including the Danube, the Dnieper, and by way of the Sea of Azov, the Don.

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Discover More

It is a popular resort area for Russians and eastern Europeans.

Example Sentences

Earlier this week a sea drone was found on a beach on the Black Sea coast.

From Barron's • Jun. 5, 2026

The incident took place a day after it emerged that two Russian warplanes had "repeatedly and dangerously" intercepted an RAF spy plane over the Black Sea last month.

From BBC • May 24, 2026

This incident follows a similar one which saw a "rogue" Russian pilot attempt to shoot down an RAF Rivet Joint plane over the Black Sea in September 2022.

From BBC • May 20, 2026

Russia’s total seaborne crude exports held steady at 3.5 million barrels a day in April, despite dips from Baltic and Black Sea ports.

From The Wall Street Journal • May 2, 2026

The 588th was sent to help prevent the Germans from taking over the Caucasus region between the Black Sea and the Caspian Sea, an important source of oil for the USSR.

From "A Thousand Sisters" by Elizabeth Wein