The Yamal Peninsula is located in the Yamalo-Nenets Autonomous Okrug of northwest Siberia, Russia. It extends roughly 700 km (435 mi) and is bordered principally by the Kara Sea, Baydaratskaya Bay on the west, and by the Gulf of Ob on the east. At the northern end of this peninsula lie the Malygina Strait and, beyond it, Bely Island. Across the river lies the Gyda Peninsula. In the language of its indigenous inhabitants, the Nenets, "Yamal" means "End of the Land".

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.