The Burkhan Khaldun is one of the Khentii Mountains in the Khentii Province of northeastern Mongolia. The mountain or its locality is believed to be the birthplace of Genghis Khan as well as his tomb. It is also the birthplace of one of his most successful generals, Subutai.

Khentii is one of the 21 aimags (provinces) of Mongolia, located in the east of the country. Its capital is Chinggis City. The aimag is named after the Khentii Mountains. It is best known as the birthplace, and likely final resting place, of Temüjin, otherwise known as Genghis Khan.