 Nong Ya Sai District

Nong Ya Sai (, ) is a district ("amphoe") in the western part of Suphan Buri Province, central Thailand.The minor district ("king amphoe") 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.