The Black Sea sits at the meeting point of Europe and Asia, its coastline dotted with ports, resorts and historic towns that reflect centuries of trade and migration. Whether you’re curious about geography, planning travel, or compiling quick reference data, a concise list makes the region easier to navigate.
There are 6 Black Sea Bordering Countries, ranging from Bulgaria to Ukraine. For each country the data is organized as Flag,Coastline (km),Major coastal cities — you’ll find below.
Which countries border the Black Sea?
The six countries are Bulgaria, Romania, Ukraine, Russia, Georgia, and Turkey, listed roughly west to east; each has its own mix of tourist beaches, commercial ports and strategic maritime access.
How do coastline lengths and major cities compare among them?
Coastline lengths vary: Russia and Turkey have the longest stretches, while Bulgaria and Georgia have shorter shorelines; the table below gives exact Coastline (km) figures alongside each country’s flag and its principal coastal cities for quick comparison.
Black Sea Bordering Countries
| Country | Flag | Coastline (km) | Major coastal cities |
|---|---|---|---|
| Turkey | 🇹🇷 | 1,600 | Istanbul, Samsun, Trabzon, Zonguldak, Sinop |
| Bulgaria | 🇧🇬 | 378 | Varna, Burgas, Nessebar, Sozopol |
| Romania | 🇷🇴 | 245 | Constanța, Mamaia, Mangalia, Eforie |
| Ukraine | 🇺🇦 | 1,600 | Odesa, Mykolaiv, Kherson, Sevastopol (disputed), Yalta (disputed) |
| Russia | 🇷🇺 | 1,200 | Sochi, Novorossiysk, Anapa, Gelendzhik |
| Georgia | 🇬🇪 | 310 | Batumi, Poti, Kobuleti, Anaklia |
Images and Descriptions

Turkey
Turkey’s northern coast spans much of the Black Sea’s southern shore, about 1,600 km. Major ports and resorts include Istanbul, Samsun, Trabzon. Coast has steep eastern shores and wide western plains; ferries and coastal roads connect historic towns and fishing harbors.

Bulgaria
Bulgaria’s Black Sea coast (~378 km) features sandy beaches, seaside resorts and the port cities Varna and Burgas. Coastal towns like Nessebar blend tourism and history; seasonal travel peaks in summer, with well-developed ferry and road links.

Romania
Romania’s Black Sea stretch (~245 km) centers on Constanța, a major port, plus resorts like Mamaia and Mangalia. The Danube Delta to the north is a unique biosphere; coastal roads and rail link tourist and commercial hubs.

Ukraine
Ukraine’s Black Sea coast (including Crimea) is long and strategically important, with Odesa, Mykolaiv and Kherson plus Crimea ports Sevastopol and Yalta (disputed). It supports commerce, tourism and strategic naval access; access and administration remain affected by the 2014 annexation.

Russia
Russia’s Black Sea coast runs along the North Caucasus and Krasnodar region, with major ports Sochi, Novorossiysk, Anapa and Gelendzhik. It combines resort areas and strategic naval bases; sections and access are affected by Crimea’s annexation and regional security concerns.

Georgia
Georgia’s Black Sea coast (~310 km) is known for Batumi’s lively resort strip, Poti port and subtropical scenery. Coastal roads link historic towns; the coast mixes tourism, shipping and energy infrastructure, with growing resort development.


