The minor district (King Amphoe) Wang Nam Khiao was created by separating the four tambon Wang Nam Khiao, Wang Mi, Udom Sap and Raroeng of Pak Thong Chai district on April 1, 1992.[1] It was officially upgraded to a full district on December 5, 1996.[2]
Geography[edit]
Neighboring districts are (from the north clockwise) Pak Thong Chai, Khon Buri of Nakhon Ratchasima Province, Na Di, Prachantakham of Prachinburi Province, Pak Chong and Sung Noen of Nakhon Ratchasima again. The Sankamphaeng Range mountainous area is located in the southern section of this district.