[4] Neighbouring subdistricts are (clockwise from the south) Tha Pho Si, Na Charoen, Na Rueang, Kut Prathai, Phon Ngam and Klang.

The conflict between the governor of Sisaket, Phraya Viset Bhakdee (พระยาวิเศษภักดี), and three royal nobilities, including Luang Thibet (หลวงธิเบศร์), Luang Mahatthai (หลวงมหาดไทย), and Luang Abhai (หลวงอภัย) caused those three clans with members of 2,150 people to evacuate to Dom Yai village in 1845 and the village was promoted to the town named "Det Udom", under the control of the city of Khukhan.

[7] Some regions of the tambon were cut off to establish new subdistricts several times including Kut Prathai in 1947,[8] Na Charoen in 1966,[9] Tha Pho Si in 1976,[10] Na Rueang in 1977,[11] and Phon Ngam in 1986.

[1] The tambon was located in the central region of the Det Udom district, which is the low river plain of the Lam Dom Yai river, and covered 30 kilometers of squares.

[4] The following is a list of the subdistrict's mubans, which roughly correspond to the villages, as of the 2021 census.