Nizhnevartovsk
Nizhnevartovsk () is a city in Khanty-Mansi Autonomous Okrug, Russia. Since the 1960s, the Western Siberian oil boom caused Nizhnevartovsk's fast growth from a small settlement to a city because of it being next to the Samotlor oil field. It is on the right bank of the Ob River. It is  from the border with Tomsk Oblast. The petroleum industry has made it one of the wealthiest cities in Russia.