Si Bun Rueang is a district in the southwestern part of Nongbua Lamphu Province, northeastern Thailand. It may also be spelled Sri Bun Rueang.HistoryThe area was Ban Non Sung Plueai of Tambon Yang Lo, Nongbua Lamphu district, Udon Thani Province. The government created it to be a minor district on July 16, 1965, which was upgraded to a full district on March 1, 1969.GeographyNeighboring districts are Na Wang, Na Klang, Mueang Nong Bua Lamphu, Non Sang of Nongbua Lamphu Province, Nong Na Kham, Si Chomphu of Khon Kaen Province, Phu Kradueng, Pha Khao and Erawan of Loei Province.The important water resource is the Phong River.AdministrationThe district is subdivided into 12 subdistricts, which are further subdivided into 153 villages . There are two townships - Non Sung Plueai covers parts of tambon Mueang Mai, and Chom Thong covers parts of tambon Si Bun Rueang. There are further 12 Tambon administrative organizations .