Varna
Odessa - City on the Black Sea - was created in 1968-10.
This city is Istanbul but the city-proper is not so close to the Black Sea. (The Istanbul metropolitan area nearly extends to the Black Sea.)
No nation's capital city is located on the coast of the Black Sea.
Black Sea arm for crossword puzzle is the Sea of Azov. Sea of Azov
Varna is on the coast of the Black Sea.
No, the Black Sea is North of Turkey. The Sea of Marmara is way smaller and is located between the Aegean Sea and the Black Sea. The Black Sea and the Sea of Marmara are separated by a strip of land in Turkey. Located here is the Capital city of Istanbul (formerly Constantinople). These two seas made the ancient city of Constantinople prosperous.
christianity
Yuzhne is a port city in Ukraine. It is on the Black Sea.
This is Istanbul, located on the coast of Marmara Sea. The entire peninsula of Anatolia splits the Black Sea and the Mediterranean Sea, so any city on the Anatolian peninsula is located between the Black Sea and Mediterranean Sea, including: Istanbul, Bursa, Izmir, Bodrum, Marmaris, Antalya, Ankara, Samsun, Eskişehir, Konya, Kayseri, and Adana, just to name a few.
A city cannot have a side/neighbourhood nearer to a sea! Bucharest IS in the south-east of the country, but the Black Sea is further south-east; it's a 3-4 h-long drive to the seaside. The main town in that area is Constanta, a major harbour.
No city touches these three but check your paper if it says a sea it is the Black Sea.