Kuancheng Manchu Autonomous County is an autonomous county under the jurisdiction of Chengde City, Hebei Province. Kuancheng, named after "Kuanhe Post was set up in the Yuan Dynasty and Kuanhe City was built in the Ming Dynasty", was founded in 1963 and Kuancheng Manchu Autonomous County was established in 1989. It is located in the northeast of Hebei Province and southeast of Chengde City. It borders Lingyuan City of Liaoning Province and Qinglong Manchu Autonomous County of Qinhuangdao City in the east, Xinglong County in the west, Pingquan City and Chengde County in the north, and Tangshan City across the Great Wall in the south. The county covers an area of 1933 square kilometers. The county has jurisdiction over 10 towns and 8 townships. As of 0:00 on November 1, 2020, the permanent population of the county is 240600 (the seventh population census).

Kuancheng Manchu Autonomous County has four landscapes in the Qing Dynasty's "Eight Outlets", namely, Dushan Snow, Wanta Yellow Cliff, Single Tree Fairy Bridge and Fish Scale Brocade. Panlong Lake outside the Great Wall is a national scenic spot, Dushan Mountain is a provincial nature reserve, Qianhe Valley is a provincial bird nature reserve, and Wanta Huangya Temple is a holy place of Han Buddhism in the Liao and Jin Dynasties. In 2013, Kuancheng Manchu Autonomous County was rated as an advanced county in economic development in Hebei Province, known as "the hometown of Chinese chestnut" and "the hometown of Hebei silkworm". In July 2020, the National Health Care Association confirmed Kuancheng as a national health county in 2019. In March 2021, it was awarded as an advanced county (city, district) for village clean action in Hebei Province in 2020.

In 2020, the GDP of Kuancheng Manchu Autonomous County will reach 15.71 billion yuan, an increase of 0.6% over the previous year.