The town of Huiyuan is located within Huocheng County, in the Ili Kazakh Autonomous Prefecture, Xinjiang, China. It is situated close to the Ili River, some 30 kilometres (19 mi) to the west of Yining, the main city of the prefecture and some 8 kilometres (5.0 mi) south of Shuiding, the county seat. As of the 2000 census, Huiyuan's population was reported as 20,564.

Huocheng County, as the official romanized name, is also transliterated from Uyghur as Korgas County. It is situated within the Xinjiang Uyghur Autonomous Region and falls under the administration of the Ili Kazakh Autonomous Prefecture. The county is located between Yining and the border city of Khorgas, covering an area of 5,466 km2 (2,110 sq mi), with a population of 360,000. There are twenty-nine ethnic groups residing in the county, including the Han and Uyghur nationalities.