Nansan belongs to zhenkang County, Lincang City, Yunnan Province. It is located in the southwest border of Yunnan Province, the west of Lincang City and the middle of the China Myanmar border. Nansan town is connected to Muchang Township in the East, Mengding Town, Gengma County in the south, Kokang County, Shan state, Myanmar in the West and Fengwei town and Mengdui Township in the north. It is the political, economic, cultural and commercial center of the county. Nansan town Nansan town is located in the south end of Hengduan Mountain system, belongs to the middle and low mountain valley in Southwest Yunnan, is located in the southwest border, belongs to the low latitude mountain area, and is close to the Tropic of cancer.
Nansan town is one of the three border townships (towns) of zhenkang county. It is also the second largest De'ang ethnic settlement in China. It is 884 kilometers away from the provincial capital Kunming and 329 kilometers away from Lincang.
The tourist attractions of Nansan town include Nansan transnational karst cave tourist area, Nansan reservoir, Nansan viewing platform, tanghedong Paleolithic site, tree wrapped stone in Baiyan village, large ancient trees in Xuangan village, etc. （NaSanShuYuYunNaNaLi）