Pontus Euxinus

Black Sea

Coordinates	44°N 35°E / 44°N 35°E / 44; 35Coordinates: 44°N 35°E / 44°N 35°E / 44; 35
Type	Sea
Primary inflows	Danube, Dnieper, Rioni, Southern Bug, Kızılırmak, Dniester
Primary outflows	Bosphorus
Basin countries	Bulgaria, Georgia, Romania, Russia, Turkey, Ukraine

Max. length	1,175 km (730 mi)
Surface area	436,402 km² (168,500 sq mi)
Average depth	1,253 m (4,111 ft)
Max. depth	2,212 m (7,257 ft)
Water volume	547,000 km³ (131,200 cu mi)

Islands	10+

Most populous urban areas along the Black Sea coastline
Istanbul Odessa	Rank	City	Country	Region/County	Population (urban)	Samsun Varna
	1	Istanbul	Turkey	Istanbul	14,324,240
	2	Odessa	Ukraine	Odessa	1,003,705
	3	Samsun	Turkey	Samsun	535,401
	4	Varna	Bulgaria	Varna	474,076
	5	Sevastopol	Russia (de facto)	national-level municipality on the Crimean Peninsula	379,200
	6	Sochi	Russia	Krasnodar Krai	343,334
	7	Trabzon	Turkey	Trabzon	305,231
	8	Constanța	Romania	Constanța	283,872
	9	Novorossiysk	Russia	Krasnodar Krai	241,952
	10	Burgas	Bulgaria	Burgas	223,902
	11	Batumi	Georgia	Adjara	190,405

The Black Sea is a body of water between Eastern Europe and Western Asia, bounded by Bulgaria, Georgia, Romania, Russia, Turkey, and Ukraine. It is supplied by a number of major rivers, such as the Danube, Dnieper, Rioni, Southern Bug, and Dniester. The Black Sea has an area of 436,400 km² (168,500 sq mi) (not including the Sea of Azov), a maximum depth of 2,212 m (7,257 ft), and a volume of 547,000 km³ (131,000 cu mi). It is constrained by the Pontic Mountains to the south and by the Caucasus Mountains to the east, and features a wide shelf to the northwest. The longest east-west extent is about 1,175 km (730 mi).