Ang Sila, Phibun Mangsahan
Ang Sila is a tambon of Phibun Mangsahan District, in Ubon Ratchathani province, Thailand. In 2025, it had a population of 5,408 people.
History
Ang Sila originated as a rural settlement in the area of the Mun River basin. The early population consisted mainly of Isan–Lao people who migrated from nearby areas within present-day Ubon Ratchathani Province and established villages in lowland areas. It was later organized as a tambon under Phibun Mangsahan District during administrative reforms during the mid-20th century.Administration
Central administration
The tambon is divided into seven administrative villages.| No. | Name | Thai | Population |
| 1. | Don Kho | ด่อนก่อ | 629 |
| 2. | Ang Hin Nuea | อ่างหินเหนือ | 582 |
| 3. | Ang Hin Tai | อ่างหินใต้ | 688 |
| 4. | Ang Hin Samakhi | อ่างหินสามัคคี | 725 |
| 5. | Non Pho | โนนโพธิ์ | 286 |
| 6. | Non Jik Charoen | โนนจิกเจริญ | 223 |
| 7. | Rat Charoen | ราษฏร์เจริญ | 378 |
| 8. | Non Sawang | โนนสว่าง | 446 |
| 9. | Sila Rak | ศิลารักษ์ | 657 |
| 10. | Khlong Saengchan | คลองแสงจันทร์ | 205 |
| 11. | Ang Udom | อ่างอุดม | 196 |
| 12. | Sawang Pattana | สว่างพัฒนา | 393 |