Noyabrsk is the second largest city in Yamalo-Nenets Autonomous Okrug, Russia, located in the middle of the West Siberian oil fields, on the Tyumen–Novy Urengoy railway about 300 kilometers (190 mi) north of Surgut. Population: 110,620 (2010 Russian census).

The Yamalo-Nenets Autonomous Okrug or Yamalia is a federal subject of Russia and an autonomous okrug of Tyumen Oblast. Its administrative center is the town of Salekhard, and its largest city is Novy Urengoy. The 2021 Russian Census recorded its population as 510,490.