Yamalsky District (Russian: Яма́льский райо́н, Nenets: Я'мал район, Jaꜧmal rajon) is an administrative[1] and municipal[4] district (raion), one of the seven in Yamalo-Nenets Autonomous Okrug of Tyumen Oblast, Russia.
It is located in the north and northwest of the autonomous okrug.
The area of the district is 117,410 square kilometers (45,330 sq mi).
[citation needed] Its administrative center is the rural locality (a selo) of Yar-Sale.
[7] The population of Yar-Sale accounts for 39.8% of the district's total population.