Mykolaiv / Nikolayev:
Mykolaiv also known as Nikolayev, is a city in southern Ukraine, administrative center of the Mykolaiv Oblast. Mykolaiv is arguably the main ship building center of Black Sea. Aside of its three shipyards within the city is located number of research centers specializing in shipbuilding such as the State Research and Design Shipbuilding Center, Zoria-Mashproekt, and others.
The city is an important transportation junction of Ukraine (sea port, commercial port, river port, highway and railway junction, airport).