Dan Sai district
Dan Sai is a district in the western part of Loei province, in northeastern Thailand.
Image:Phra That Si Song Rak.jpg|left|thumb|180px|Phra That Si Song Rak
Geography
Neighboring districts are : Phu Ruea of Loei Province; Lom Kao and Khao Kho of Phetchabun province; Nakhon Thai of Phitsanulok province; and Na Haeo of Loei. To the north is Xaignabouli province of Laos.The source of the Pa Sak River is in the mountains in the eastern part of the district. A large part of the district is a portion of the Phu Hin Rong Kla National Park. Phu Thap Buek, the highest mountain of the Phetchabun Range, is at the southern end of the district. To the southeast is the Phu Luang Wildlife Sanctuary.
The northern part of the district reaches the southern end of the Luang Prabang Range mountain area of the Thai highlands.
History
According to General Apirat Kongsompong, on 5 November 1976, King Rama X, then an army captain and crown prince, engaged with communist insurgents in Ban Mak Kheng of Dan Sai District. The general noted that, "His Majesty was in the operation base, ate and slept like other soldiers. His Majesty visited local residents, gave moral support and fought shoulder by shoulder with brave soldiers."Administration
Central administration
Dan Sai is divided into 10 sub-districts, which are further subdivided into 99 administrative villages.| No. | Name | Thai | Villages | Pop. |
| 1. | Dan Sai | ด่านซ้าย | 15 | 9,490 |
| 2. | Pak Man | ปากหมัน | 7 | 3,034 |
| 3. | Na Di | นาดี | 9 | 3,810 |
| 4. | Khok Ngam | โคกงาม | 7 | 4,854 |
| 5. | Phon Sung | โพนสูง | 9 | 5,026 |
| 6. | Ipum | อิปุ่ม | 13 | 4,723 |
| 7. | Kok Sathon | กกสะทอน | 12 | 7,854 |
| 8. | Pong | โป่ง | 11 | 6,092 |
| 9. | Wang Yao | วังยาว | 7 | 3,686 |
| 10. | Na Ho | นาหอ | 9 | 2,995 |
Local administration
There are two sub-district municipalities in the district:- Dan Sai consisting of parts of sub-district Dan Sai.
- Si Song Rak consisting of parts of sub-district Dan Sai.
- Pak Man consisting of sub-district Pak Man.
- Na Di consisting of sub-district Na Di.
- Khok Ngam consisting of sub-district Khok Ngam.
- Phon Sung consisting of sub-district Phon Sung.
- Ipum consisting of sub-district Ipum.
- Kok Sathon consisting of sub-district Kok Sathon.
- Pong consisting of sub-district Pong.
- Wang Yao consisting of sub-district Wang Yao.
- Na Ho consisting of sub-district Na Ho.
Local festivals