The Yamalo-Nenets Autonomous Okrug also known as Yamalia (Russian: Ямалия) 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.
The autonomous okrug borders Krasnoyarsk Krai to the east, the Khanty-Mansi Autonomous Okrug to the south, and the Nenets Autonomous Okrug and Komi Republic to the west.