Hengshan (Hengyang)
The Hengshan District ( Chinese 衡山 县 , Pinyin Héngshān Xiàn ) is a district in the Chinese province of Hunan . It belongs to the administrative area of the prefecture-level city of Hengyang (衡阳 市). Hengshan has an area of 936 km² and a population of 410,000. Its main town is the municipality of Kaiyun (开 云 镇).
Coordinates: 27 ° 14 ' N , 112 ° 51' E