Khueang Nai District

Khueang Nai (, ) is a district ("amphoe") in the northwestern part of Ubon Ratchathani Province, northeastern Thailand.
Geography.
Neighboring districts are (from the east clockwise) Muang Sam Sip, Mueang Ubon Ratchathani of Ubon Ratchathani Province, Kanthararom, Yang Chum Noi of Sisaket Province, Kho Wang, Maha Chana Chai, Kham Khuean Kaeo of Yasothon Province and Hua Taphan of Amnat Charoen Province.
History.
Originally named Pachin Ubon (ปจิมอุบล, 'western Ubon'), in 1913 the district was renamed Trakan Phuet Phon (ตระการพืชผล). In 1917, the district was renamed Khueang Nai.
Administration.
The district is divided into 18 sub-districts ("tambons"), which are further subdivided into 180 villages ("mubans"). Khueang Nai is a sub-district municipality ("thesaban tambon") which covers parts of "tambon" Khueang Nai. There are a further 18 tambon administrative organizations (TAO).