The term 'RUSSIAN PORT' can be broken down into two crossword solutions: OMSK (4 letters) and ODESSA (6 letters). Omsk is a city located in southwestern Siberia, Russia, and is the administrative center of Omsk Oblast. It is the second largest city in Siberia after Novosibirsk. Odessa is a port city located on the Black Sea in Ukraine. It is the administrative center of the Odessa Oblast and a major seaport and transportation hub located on the northwestern shore of the Black Sea.