Administration
The district is subdivided into 12 subdistricts (tambon), which are further subdivided into 169 villages (muban). Pak Chong is a town (thesaban mueang) which covers parts of the tambon Pak Chong and Nong Sarai. There are further four subdistrict municipalities (thesaban tambon) - Klank Dong covers parts of the tambon Klang Dong and Phaya Yen, Mu Si the whole tambon Mu Si, Sima Mongkhon further parts of Klong Dong and Wang Sai the whole tambon Wang Sai. The remaining nine subdistrict are each administrated by a Tambon administrative organization