Mederdra
| Mederdra | |
|---|---|
| Commune and town | |
| Coordinates: 16°55′N 15°39′W / 16.917°N 15.650°W | |
| Country | Mauritania | 
| Region | Trarza | 
| Area | |
|  • Total | 101.8 sq mi (263.7 km2) | 
| Population  (2013) | |
|  • Total | 7,421 | 
| • Density | 73/sq mi (28/km2) | 
| Time zone | UTC+0 (GMT) | 
Mederdra (Arabic: المذرذرة) is a small town and commune in south-west Mauritania, near the border of Senegal.
In 2013, it had a population of 7,421.