Bole (English: /ˈbɒlə/ BO-lə), also known by its Mongolian and Uyghur name Bortala (lit.

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[update].

Like all of Xinjiang, Bole has very warm to hot summers and freezing to frigid winters.

Precipitation, again common to all of Xinjiang outside the mountains, is very low and chiefly falls in summer.