Patratu
| Patratu | |
|---|---|
| Census Town | |
| Patratu Valley | |
| Coordinates: 23°40′N 85°17′E / 23.67°N 85.28°E | |
| Country | India | 
| State | Jharkhand | 
| District | Ramgarh | 
| Area | |
|  • Total | 1.392 km2 (0.537 sq mi) | 
| Elevation | 405 m (1,329 ft) | 
| Population  (2011) | |
|  • Total | 32,899 | 
| • Density | 24,000/km2 (61,000/sq mi) | 
| Languages | |
| • Official | Hindi, Urdu | 
| Time zone | UTC+5:30 (IST) | 
| PIN | 829118 | 
| Telephone/ STD code | 0651 | 
| Vehicle registration | JH | 
| Lok Sabha constituency | Hazaribagh | 
| Vidhan Sabha constituency | Ramgarh | 
| Website | ramgarh | 
Patratu is a census town in the Patratu (community development block) in the Ramgarh subdivision of the Ramgarh district in the Indian state of Jharkhand.