Chengde, formerly known as Jehol and Rehe, is a prefecture-level city in Hebei province, situated about 225 km 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. History In 1703, Chengde was chosen by the Kangxi Emperor as the location for his summer residence. Constructed throughout the eighteenth century, the Mountain Resort was used by both the Yongzheng and Qianlong emperors. The site is currently an UNESCO World Heritage Site. Since the seat of government followed the emperor, Chengde was a political center of the Chinese empire during these times. The city of Jeholan early romanization of Rehe via the French transcription of the northern suffix ér as eulreached its height under the Qianlong Emperor 1735-1796 (died 1799). The great Putuo Zongcheng Temple, loosely based on the Potala in Lhasa, was completed after just four years of work in 1771. It was heavily decorated with gold and the emperor worshipped in the Golden Pavilion. In the temple itself was a bronze-gilt statue of Tsongkhapa, the Reformer of the Gelugpa sect. Under the Republic of China, Chengde was the capital of Rehe province. From 1933 to 1945 the city was under Japanese control as a part of the Manchurian puppet state known as Manchukuo. After World War II the Kuomintang government regained jurisdiction. In 1948, the People's Liberation Army took control of Chengde. It would remain a part of Rehe until 1955, when the province was abolished, and the city was incorporated into Hebei. The city is home to large populations of ethnic minorities, Mongol and Manchu in particular. Geography Chengde is located in the northeastern portion of Hebei, with latitude 40° 12'－42° 37' N, and longitude 115° 54'－119° 15' E, and contains the northernmost point in the province. It borders Inner Mongolia, Liaoning, Beijing, and Tianjin. Neighbouring prefecture-level provincial cities are Qinhuangdao and Tangshan on the Bohai Gulf, and land-locked Zhangjiakou. Due to its Liaoning border, it is often considered a part of both the North and Northeast China regions. From north to south the prefecture stretches , and from west to east , for a total area of , thus occupying 21.2% of the total provincial area. It is by area the largest prefecture in the province, though as most