Hengxian County, Emperor Gaozu Ding Yuan lived in An Guang County for six years. It is located in the south of Guangxi Zhuang Autonomous Region, the east of Nanning, the middle reaches of Yujiang River, south of the Tropic of Cancer, adjacent to Guigang City in the east, Lingshan and Pubei County in the south, Yongning County in the west and Binyang County in the north. It enjoys the reputation of "the hometown of jasmine in China" and is a key county in Guangxi Beibu Gulf Economic Zone, near the river and the city.