Nandan County is located in the northwest of Hechi City, Guangxi. Guizhou - Guangxi Railway, 210 National Road, six - River highway, Hongshui River transit. Jurisdiction over 8 towns and 3 townships, county people's government in Chengguan Town, the administrative area of 3905 square kilometers. Nandan County is the hometown of nonferrous metals, long horn pepper, Yao chicken, yellow plum and tobacco production base in China. The total area is 3916 square kilometers. According to the seventh census data, the permanent population of Nandan county was 275,554 as of midnight on November 1, 2020.

In October 2017, it was named the National Garden County by the Ministry of Housing and Urban-Rural Development. In March 2019, it was selected into the list of the first batch of counties under protection and utilization of revolutionary cultural relics. On September 20, 2019, it was awarded the honorary title of National Model Unit of greening. On December 31, 2019, it was selected as a national typical county for rural innovation and entrepreneurship.

By 2020, the GDP will reach 10.38518 billion yuan, with per capita GDP reaching 31,656 yuan. Revenue totaled 1.13844 trillion yuan, including 625.03 million yuan in the public finance budget; The per capita disposable income of urban residents is 37,656 yuan, and that of rural residents is 13,036 yuan.