Thung Fon districtThung Fon is a district in the eastern part of Udon Thani province, northeastern Thailand.GeographyNeighboring districts are Nong Han, Phibun Rak, Ban Dung of Udon Thani Province, Phon Phisai and Sawang Daen Din of Sakon Nakhon province.HistoryThe minor district Thung Fon was created on 1 July 1976, when the tambons Thung Fon and Thung Yai were split off from Nong Han district. It was upgraded to a full district on 21 May 1990.AdministrationThe district is divided into four sub-districts, which are further subdivided into 36 villages. Thung Fon is a township which covers parts of tambon Thung Fon. There are a further four tambon administrative organizations.