Upper Siang district
| Upper Siang district | |
|---|---|
| Tsitapuri lake | |
| Location in Arunachal Pradesh | |
| Coordinates (Yingkiong): 28°36′37″N 95°02′51″E / 28.61037°N 95.047531°E | |
| Country | India | 
| State | Arunachal Pradesh | 
| Headquarters | Yingkiong | 
| Area | |
|  • Total | 6,188 km2 (2,389 sq mi) | 
| Population  (2011) | |
|  • Total | 35,320 | 
| • Density | 5.7/km2 (15/sq mi) | 
| Demographics | |
| • Literacy | 60.0% | 
| • Sex ratio | 891 | 
| Time zone | UTC+05:30 (IST) | 
| Website | uppersiang | 
Upper Siang (Pron:/ˈsjæŋ or ˈsɪæŋ/) is an administrative district in the state of Arunachal Pradesh in India. It is the fourth least populous district in the country (out of 640).