These countries are: Romania, Bulgaria, Ukraine, Russia; I don't consider Turkey and Georgia as European countries.
The capital of the country that borders both the Black Sea and the Mediterranean Sea is Ankara, the capital of Turkey.
Turkey
Ankara is the capital of the Republic of Turkey, the only country that borders both the Mediterranean Sea and the Black Sea.
Ankara is the capital of the Republic of Turkey, the only country that borders both the Mediterranean Sea and the Black Sea.
Ankara is the capital of the Republic of Turkey, the only country that borders both the Mediterranean Sea and the Black Sea.
Turkey
Ankara is the capital of the Republic of Turkey, the only country that borders both the Mediterranean Sea and the Black Sea.
Ankara is the capital of the Republic of Turkey, the only country that borders both the Mediterranean Sea and the Black Sea.
Ankara is the capital of Turkey, which is the only country that is bordered by BOTH the Mediterranean Sea and the Black Sea. It is worth noting that the city of Ankara itself is a landlocked city and is nowhere near the Mediterranean Sea or Black Sea; it is the country of Turkey which borders both.
Ankara is the capital of the Republic of Turkey, the only country that borders both the Mediterranean Sea and the Black Sea.
Ankara is the capital of the Republic of Turkey, the only country that borders both the Mediterranean Sea and the Black Sea.
Ankara is the capital of the Republic of Turkey, the only country that borders both the Mediterranean Sea and the Black Sea.