Mueang Ubon Ratchathani (, ; , ) is the capital district (amphoe mueang) of Ubon Ratchathani province, northeastern Thailand.
The district was originally named Buphupalanikhom (à ¸Âà ¸¸à ¸Âà ¸¸à ¸Âà ¸¥à ¸Âà ¸´à ¸Âà ¸¡). Later the name was changed to Burapha Ubon (à ¸Âà ¸¹à ¸£à ¸Âà ¸²à ¸Âà ¸¸à ¸Âà ¸¥) in 1909 and Mueang Ubon Ratchathani in 1913.
Neighboring districts are (from the west clockwise): Khueang Nai, Muang Sam Sip, Lao Suea Kok, Don Mot Daeng, Sawang Wirawong, and Warin Chamrap; of Ubon Ratchathani Province and Kanthararom of Sisaket province.
The important water resource is the Mun River.
The district is divided into 12 sub-districts (tambons), which are further subdivided into 148 villages (mubans). The city (thesaban nakhon) Ubon Ratchathani covers the entire tambon Nai Mueang. Ubon is a township (thesaban tambon) which covers parts of tambons Kham Yai and Chaeramae. There are a further 11 tambon administrative organizations (TAO).
<small>Missing numbers are tambon which form the districts Don Mot Daeng and Lao Suea Kok.</small>
Ubon Ratchathani has a tropical savanna climate (Aw) with three distinct seasons i.e. the dry winters running from November to January, the build up season running from February through April, and the wet monsoon summers running from May to October. The average annual high temperature in Ubon Ratchathani is 33 ðC and the average annual low temperature is 22.1 ðC with April being the hottest month and December being the coolest month.