Answer: rostov

AnswerCrossword Clue
ROSTOVRussian port on the Don.
ROSTOVSeaport in the European part of Russia
ROSTOV...-on-Don, Russian port of 1+ million
ROSTOVRussian city on the Don
ROSTOVMetropolis on the Don
ROSTOVCity on the Don
ROSTOVSeaport on the Don
ROSTOVSeaport on the Don.
ROSTOVCity on the Don.
ROSTOVRussian city on the Don River
ROSTOV"The oil spigot of Russia."
ROSTOVStrategic city on the Don.
ROSTOVStrategic city in Russia.
ROSTOVRussian seaport
ROSTOVRussian city known as the gateway to the Caucasus
ROSTOVSolzhenitsyn's birthplace, "the Gateway to the Caucasus"
ROSTOVRussian port on the Don River