Mykolaiv, also known as Nikolaev or Nikolayev, is a city in southern Ukraine, the administrative center of the Mykolaiv Oblast. Mykolaiv is arguably the main shipbuilding center of the Black Sea. Aside from three shipyards within the city, there are a number of research centers specializing in shipbuilding such as the State Research and Design Shipbuilding Center, Zoria-Mashproekt and others. The city has a population of 494,763.
The city is an important transportation hub of Ukraine.
Wikipedia https://en.wikipedia.org/wiki/Mykolaiv
Coordinates 46°56'35.309" N 32°0'26.316" E