Bortala Mongol Autonomous Prefecture is an autonomous prefecture in the northern Xinjiang, China. Its capital is Bole, also known as Bortala. It has a population of 475,483 inhabiting an area of 27,000 km2 (10,000 sq mi). Despite being designated an autonomous area for Mongols in China, only a little over five and a half per cent of Bortala's population is Mongol.

Bole, also known by its Mongolian name Bortala, is a county-level city in Xinjiang, China. It is the seat of Bortala Mongol Autonomous Prefecture, which borders Kazakhstan. The city covers an area of 7,517 square kilometres (2,902 sq mi) and has a total population of 270,000 as of 2015. The Northern Xinjiang Railway runs through the city, as do highways to Ürümqi.