Uthumphon Phisai district
Uthumphon Phisai 
    อุทุมพรพิสัย  | |
|---|---|
Prasat Sa Kamphaeng Yai  | |
District location in Sisaket province  | |
| Coordinates: 15°6′42″N 104°8′24″E / 15.11167°N 104.14000°E | |
| Country | Thailand | 
| Province | Sisaket | 
| Seat | Kamphaeng | 
| Area | |
 • Total  | 407.9 km2 (157.5 sq mi) | 
| Population  (2005)  | |
 • Total  | 109,618 | 
| • Density | 268.7/km2 (696/sq mi) | 
| Time zone | UTC+7 (ICT) | 
| Postal code | 33120 | 
| Geocode | 3310 | 
Uthumphon Phisai (Thai: อุทุมพรพิสัย, pronounced [ʔù.tʰūm.pʰɔ̄ːn pʰí.sǎj]; Northeastern Thai: อุทุมพรพิสัย, pronounced [ʔǔ.tʰûm.pʰɔ̂ːn pʰì.sǎj]) is a district (amphoe) in the western part of Sisaket province, lower northeastern Thailand.