| Name | Sanmenxia |
| Office head of government | |
| Mayor | |
| Image |  |
| Area (m²) | 10,474,999,808 |
| Date founded | |
| Elevation (m) | 376 |
| Country | China |
| Administrative division | Henan |
| Continent | Asia |
| Latitude (°) | 34.7666664124 |
| Waterbody | |
| Longitude (°) | 111.1999969482 |
| Website | http://www.smx.gov.cn/ |
| Population (people) | 2,213,000 (2007) |
| Demonym |