Nong Wua So
หนองวัวซอ | |
|---|---|
 Huai Luang Reservoir | |
 District location in Udon Thani province | |
| Coordinates: 17°9′45″N 102°34′22″E / 17.16250°N 102.57278°E | |
| Country | Thailand |
| Province | Udon Thani |
| Seat | Non Wai |
| Area | |
| • Total | 702.955 km2 (271.412 sq mi) |
| Population (2005) | |
| • Total | 61,658 |
| • Density | 87.7/km2 (227/sq mi) |
| Time zone | UTC+7 (ICT) |
| Postal code | 41220 |
| Geocode | 4103 |
Nong Wua So (Thai: หนองวัวซอ, pronounced [nɔ̌ːŋ wūa sɔ̄ː]; Northeastern Thai: หนองงัวซอ, pronounced [nɔ̌ːŋ ŋu᷇a sɔ᷇ː]) is a district (amphoe) in the western part of Udon Thani province, northeastern Thailand.