The district is divided into 12 sub-districts (
tambons), which are further divided into 161 villages (
mubans). There are three sub-district municipalities (
thesaban tambon): Nong Han, Nong Mek, and Ban Chiang. Each cover parts of
tambons of the same name. There are a further 12
tambon administrative organizations (TAO). Missing numbers are
tambon which now form the districts Phibun Rak and Ku Kaeo. ==References==