Pa Sak, Phayao
Pa Sak is a tambon of Phu Sang District, in Phayao Province, Thailand. In 2019 it had a total population of 4,211 people.
History
The subdistrict was created effective August 1, 1995 by splitting off 7 administrative villages from Phu Sang.Administration
Central administration
The tambon is subdivided into 10 administrative villages.| No. | Name | Thai |
| 1. | Ban Kae | บ้านแก |
| 2. | Ban Kae | บ้านแก |
| 3. | Ban Ton Phueng | บ้านต้นผึ้ง |
| 4. | Ban Pa Sak | บ้านป่าสัก |
| 5. | Ban Muang Chum | บ้านม่วงชุม |
| 6. | Ban Kae Mai | บ้านแกใหม่ |
| 7. | Ban Pa Sak 2 | บ้านป่าสัก 2 |
| 8. | Ban Muang Mai Sombun | บ้านม่วงใหม่สมบูรณ์ |
| 9. | Ban Khuang Kaeo | บ้านข่วงแก้ว |
| 10. | Ban Wiang Kae | บ้านเวียงแก |