Three districts and three counties. Ma On Shan has three districts and three counties, namely:

Yushan District, belonging to Maanshan City, Anhui Province, with a total area of 174.34 square kilometers;

Huashan District, belonging to Maanshan City, Anhui Province, is located in the east of Maanshan City, with a total area of 179 square kilometers;

Bowang District belongs to Maanshan City, Anhui Province. Located in the easternmost part of Maanshan City, with a total area of 35 1 km2;

Dangtu county, which belongs to Maanshan City, Anhui Province, has a total area of 1002 square kilometers;

Hanshan county, belonging to Maanshan City, Anhui Province, is located on the north bank of the middle and lower reaches of the Yangtze River, with a total area of 1.028 square kilometers;

Hexian County, which belongs to Maanshan City, Anhui Province, is located in the center of the Yangtze River Delta, with a total area of 13 19 square kilometers.