Mashan County
| Mashan County 马山县 · Majsanh Yen | |
|---|---|
| Location in Nanning | |
| Coordinates: 23°42′32″N 108°10′41″E / 23.709°N 108.178°E | |
| Country | China | 
| Autonomous region | Guangxi | 
| Prefecture-level city | Nanning | 
| County seat | Baishan | 
| Area | |
|  • Total | 2,345.33 km2 (905.54 sq mi) | 
| Population  (2010) | |
|  • Total | 390,900 | 
| • Density | 170/km2 (430/sq mi) | 
| Time zone | UTC+8 (China Standard) | 
| Postal code | 530600 | 
| Website | msx | 
Mashan County (simplified Chinese: 马山县; traditional Chinese: 馬山縣; pinyin: Mǎshān Xiàn; Standard Zhuang: Majsanh Yen) is a county of Guangxi Zhuang Autonomous Region, China, it is under the administration of the prefecture-level city of Nanning, the capital of Guangxi. The northernmost county-level division of Nanning City, it borders the prefecture-level cities of Hechi to the north and Laibin to the northeast.