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Nam Khun (Thai: น้ำขุ่น, pronounced [náːm kʰùn]) is a district (amphoe) in the southwestern part of Ubon Ratchathani Province, northeastern Thailand. The name of the district translates to 'muddy water'.

Nam Khun
District location in Ubon Ratchathani Province
District location in Ubon Ratchathani Province
Coordinates: 14°35′0″N 104°55′30″E / 14.58333°N 104.92500°E / 14.58333; 104.92500Coordinates: 14°35′0″N 104°55′30″E / 14.58333°N 104.92500°E / 14.58333; 104.92500
Country Thailand
Province Ubon Ratchathani
Seat Ta Kao
 • Total 377.5 km2 (145.8 sq mi)
Population (2005)
 • Total 30,587
 • Density 81.0/km2 (210/sq mi)
Time zone UTC+7 (ICT)
Postal code 34260
Geocode 3433



The area of Nam Khun was originally part of Nam Yuen District. The government created the minor district (king amphoe) on 15 July 1996.[1]

On 15 May 2007, all of 81 minor districts were upgraded to full districts.[2] On 24 August the upgrade became official.[3]


The district is bounded in the south by the Dangrek Range.

Neighboring districts are (from the west clockwise) Kantharalak of Sisaket Province; Thung Si Udom, Det Udom and Nam Yuen of Ubon Ratchathani; and Preah Vihear of Cambodia.


The district is divided into four sub-districts (tambons), which are further subdivided into 49 villages (mubans). There are no municipal (thesaban) areas, and four tambon administrative organizations (TAO).

No. Name Thai name Villages Pop.
1. Ta Kao ตาเกา 12 8,936
2. Phaibun ไพบูลย์ 14 7,316
3. Khilek ขี้เหล็ก 13 7,840
4. Khok Sa-at โคกสะอาด 10 6,495


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