Dachang Hui Autonomous County

Dachang Hui Autonomous County (simplified Chinese: 大厂回族自治县; traditional Chinese: 大廠回族自治縣; pinyin: Dàchǎng Huízú Zìzhìxiàn; Xiao'erjing: دَاچْا خُوِذُو ذِجِشِیًا‎) is a Hui autonomous county of Hebei province. It is under the administration of Langfang prefecture-level city, and was established in 1955. The Hui Muslim county of Dachang was subjected to slaughter by the Japanese in the Second Sino-Japanese War.

Together with Sanhe City, and Xianghe County, it forms the Northern three counties [zh], an exclave of Hebei province surrounded by the municipalities of Beijing and Tianjin, and itself borders Beijing to the west.

A Dachang Hui Imam, Ma Zhenwu, wrote a Qur'an translation into Chinese including Chinese characters and Xiao'erjing.

The county spans an area of 176 square kilometres (68 sq mi), and has a population of about 171,366 people as of 2020.

The county administers one subdistrict and five towns. The county also administers the Hebei Dachang High-tech Industrial Development Zone, which serves as a township-level division. These township-level divisions then administer 16 residential communities, and 105 administrative villages.

Dachang's sole subdistrict is Beichen Subdistrict [zh].

Dachang's five towns are Dachang [zh], Xiadian [zh], Qigezhuang [zh], Shaofu, and Chenfu.

The county is bounded by the Chaobai River, across from which is Tongzhou District in Beijing.