Nong Ya Sai district
Nong Ya Sai is a district in the western part of Suphan Buri province, central Thailand.
History
The minor district was created on 1 June 1983, when the four tambons Nong Ya Sai, Nong Rathawat, Nong Pho, and Chaeng Ngam were split off from Sam Chuk district. It was upgraded to a full district on 21 May 1990.Geography
Neighboring districts are Dan Chang, Doem Bang Nang Buat, Sam Chuk, and Don Chedi of Suphan Buri Province, and Lao Khwan of Kanchanaburi province.Administration
Central administration
Nong Ya Sai is divided into six sub-districts, which are further subdivided into 66 administrative villages.| No. | Name | Thai | Villages | Pop. |
| 1. | Nong Ya Sai | หนองหญ้าไซ | 13 | 11,985 |
| 2. | Nong Ratchawat | หนองราชวัตร | 8 | 5,120 |
| 3. | Nong Pho | หนองโพธิ์ | 14 | 6,748 |
| 4. | Chaeng Ngam | แจงงาม | 8 | 6,473 |
| 5. | Nong Kham | หนองขาม | 11 | 8,981 |
| 6. | Thap Luang | ทัพหลวง | 12 | 9,965 |
Local administration
There is one sub-district municipality in the district:- Nong Ya Sai consisting of parts of sub-district Nong Ya Sai.
- Nong Ya Sai consisting of parts of sub-district Nong Ya Sai.
- Nong Ratchawat consisting of sub-district Nong Ratchawat.
- Nong Pho consisting of sub-district Nong Pho.
- Chaeng Ngam consisting of sub-district Chaeng Ngam.
- Nong Kham consisting of sub-district Nong Kham.
- Thap Luang consisting of sub-district Thap Luang.