Novomoskovsk is a city and the administrative center of Novomoskovsky District in Tula Oblast, Russia, located at the source of the Don and Shat Rivers. Population: 131,386; 134,081; 146,302; 143,000; 107,000; 76,000.
Wikipedia https://en.wikipedia.org/wiki/Novomoskovsk,_Russia
Coordinates 54°0'39.646" N 38°17'27.394" E