Orenburg, formerly known as Chkalov, is the administrative center of Orenburg Oblast, Russia. It lies on the banks of the Ural River and is 1,478 kilometers southeast of Moscow. Orenburg is also very close to the border with Kazakhstan.
Wikipedia https://en.wikipedia.org/wiki/Orenburg
Official Website https://orenburg.ru/
Coordinates 51°46'1.649" N 55°5'52.266" E