Luanping County is a county of northeastern Hebei Province, with the Great Wall of China demarcating its border with Miyun District, Beijing to the southwest. It is under the administration of Chengde City, and as of 2017, has a population of 293,200 residing in an area of 3,195 km2 (1,234 sq mi). The G45 Daqing–Guangzhou Expressway, China National Highways 101 and 112, and the Beijing–Tongliao Railway pass through the county. Other bordering county-level divisions are Fengning County to the northwest, Longhua County to the north, Chengde's core districts of Shuangqiao District and Shuangluan District to the east, and Chengde County to the southeast.

Chengde, formerly known as Jehol and Rehe, is a prefecture-level city in Hebei province, situated about 225 kilometres (140 mi) northeast of Beijing. It is best known as the site of the Mountain Resort, a vast imperial garden and palace formerly used by the Qing emperors as summer residence. The permanent resident population is approximately 3,473,200 in 2017.