Definition of "Bortala"

Overall, trade via the new ports of entry on the Xinjiang-Kazakstani border expanded tremendously in the first five years. Six of the new ports are by road: They include[...]The most important route, however, is the railway link that crosses the Chinese-Kazakstani border at Alataw (Ala Shankou), in the Bortala-Mongol Autonomous Prefecture.

1998, Linda Benson, Ingvar Svanberg, China's Last Nomads‎, M. E. Sharpe, page 201

The ruling Communist Party’s graft-fighting Central Commission for Discipline Inspection said that Guo Xiangyi, who was a senior official in Xinjiang’s Bortala region, abused his power, took bribes and expropriated land.Guo, likely a Han Chinese judging by his name, also “faked and changed the ethnicity of his wife and child”, the statement said, without giving details.While the Uighurs, a Muslim people who speak a Turkic language, are the main minority in Xinjiang, Bortala is home to a large number of ethnic Mongols.

2015 December 24, Ben Blanchard, “Minority report: Chinese official 'faked family's ethnicity'”, in Nick Macfie, editor, Reuters‎, archived from the original on 19 June 2022, World News‎

Wenquan is part of the Bortala Mongol Autonomous Prefecture, the base of the Chahar in Xinjiang. (Their ancestral home is in present-day Inner Mongolia, where the majority of Chahar in China live.) The prefecture is one of several scattered enclaves that arose from Qing-era garrisons.

2017 June 18, Edward Wong, “Mongolian Warriors and Communist Soldiers: A Frontier Town in China”, in The New York Times‎, archived from the original on 2017-06-19, Asia Pacific‎