Ubon Ratchathani Province

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Ubon Ratchathani

Khong Chiam
Khong Chiam
Flag of Ubon Ratchathani
Official seal of Ubon Ratchathani
Map of Thailand highlighting Ubon Ratchathani Province
Map of Thailand highlighting Ubon Ratchathani Province
CapitalMueang Ubon Ratchathani
 • GovernorSarit Withun
 • Total15,745 km2 (6,079 sq mi)
Area rankRanked 5th
 • Total1,874,548
 • RankRanked 3rd
 • Density119/km2 (310/sq mi)
 • Density rankRanked 43rd
Human Achievement Index
 • HAI (2017)0.5586 "low"
Ranked 62nd
Time zoneUTC+7 (ICT)
Postal code
Calling code045
ISO 3166 codeTH-34

Ubon Ratchathani (Thai: อุบลราชธานี, pronounced [ʔù.bōn râːt.t͡ɕʰā.tʰāː.nīː]), often shortened to Ubon (อุบลฯ), is one of the northeastern provinces (Isan) of Thailand, and the country's easternmost. Ubon is about 630 km (390 mi) from Bangkok.[4] Neighboring Provinces are (from west clockwise) Sisaket, Yasothon, and Amnat Charoen. To the north and east it borders Salavan and Champasak of Laos, to the south Preah Vihear of Cambodia.


Mekong River in Khong Chiam

At Khong Chiam the Mun River, the biggest river of the Khorat Plateau, joins the Mekong, which forms the northeastern boundary of Thailand with Laos. It is called "Maenam Song Si" or the "Mun River alluvium" because the brown water from Mekong River mixes with the blue water of the Mun. It is about 84 km (52 mi) from Ubon Ratchathani city centre.[5]

The area in the Dângrêk Mountains where the borders of the three countries, Thailand, Laos, and Cambodia meet is promoted as the "Emerald Triangle", in contrast to the "Golden Triangle" in the north of Thailand. "Emerald" refers to the largely intact monsoon forests there.


The city was founded in the late-18th century by Thao Kham Phong, descendant of Phra Wo and Phra Ta, who escaped from King Siribunsan of Vientiane into Siam Kingdom during the reign of King Taksin the Great. Later Thao Kham Phong was appointed to be "Phra Pathum Wongsa", the first ruler of Ubon Ratchathani. In 1792 Ubon Ratchathani became a province, and was also the administrative center of the monthon Isan. In 1925 it became part of monthon Nakhon Ratchasima. With the abolition of the monthon system in 1933, the province became a first level subdivision of the country. Until 1972, Ubon Ratchathani Province was the largest province of Thailand by area. Yasothon Province was split off from Ubon Ratchathani Province in 1972, followed by Amnat Charoen Province in 1993.


Ubon Ratchathani is the nation's leading rice-producing province. It earns more than 10 billion baht a year from rice sales.[6]

National parks[edit]

Ubon Ratchathani boasts the following national parks:

  • Phu Chong–Na Yoi National Park is in the mountainous southern region of the province.[7]
  • Kaeng Tana National Park is in Khong Chiam District.[8]
  • Pha Taem National Park covers an area of 140 km2 (54 sq mi). Plateaus and hills dominate the park landscape. The sheer cliffs here are a result of earthquakes. The interesting places in the national park are Pha Taem and Pha Kham. On the cliffs surfaces are numerous prehistoric cave paintings from 3,000-4,000 years ago. These paintings depict scenes of fishing, rice farming, figures of people, animals, hands and geometric designs that depict life during the pre-historic time and reflect the ancient lifestyle of the people who lived there.[9][10]


Ubon Ratchathani University Gate, Warin Chamrap District

Ubon Ratchathani Province is the home of Ubon Ratchathani University.


The main hospital of Ubon Ratchathani Province is Sunpasithiprasong Hospital.


The provincial seal shows a Lotus flower in a pond. This alludes to the meaning of the name of the province, which translates to 'royal city of the lotus flower'. The provincial flower is the lotus (Nymphaea lotus). The provincial tree is the Yang-na (Dipterocarpus alatus).

Administrative divisions[edit]

Ubon Ratchathani with 25 districts

The province is divided into 25 districts (amphoe). The districts are further subdivided into 219 sub-districts (tambons) and 2,469 villages (mubans).

1. Mueang Ubon Ratchathani
2. Si Mueang Mai
3. Khong Chiam
4. Khueang Nai
5. Khemarat
6. Det Udom
7. Na Chaluai
8. Nam Yuen
9. Buntharik
10. Trakan Phuet Phon
11. Kut Khaopun
12. Muang Sam Sip
13. Warin Chamrap
14. Phibun Mangsahan
15. Tan Sum
16. Pho Sai
17. Samrong
18. Don Mot Daeng
19. Sirindhorn
20. Thung Si Udom
21. Na Yia
22. Na Tan
23. Lao Suea Kok
24. Sawang Wirawong
25. Nam Khun


No. City/Town Thai Urban Population[11] Notes
1. Ubon Ratchathani เทศบาลนครอุบลราชธานี 79,023
Former capital of the province
2. Jaeramair เทศบาลเมืองแจระแม 11,092
New capital and exurb of Ubon Ratchathani
3. Kham Yai เทศบาลตำบลขามใหญ่ 34,538
Exurb of Ubon Ratchathani
4. Warin Chamrap เทศบาลเมืองวารินชำราบ 28,154
Educational, railway terminal
5. Saen Suk เทศบาลตำบลแสนสุข 24,720
Exurb, Warin Chamrap
6. Det Udom เทศบาลเมืองเดชอุดม 14,264
Main provincial southern city
7. Kud Prathay เทศบาลตำบลกุดประทาย 13,382
8. Kholaen เทศบาลตำบลคอแลน 12,703
9. Thep Wongsa เทศบาลตำบลเทพวงศา
10. Phibun Mangsahan เทศบาลเมืองพิบูลมังสาหาร 10,842
Main provincial eastern city
11. Pathum เทศบาลตำบลปทุม 10,505
Exurb, Ubon Ratchathani
12. Nong Phue เทศบาลตำบลหนองผือ 9,685
13. Trakan เทศบาลตำบลตระการ 9,082
Main provincial northern city
14. Nam Yuen เทศบาลตำบลน้ำยืน 9,542
15. Kham Pom เทศบาลตำบลขามป้อม 9,209
16. Nikhom Sang Ton Eng Lum Dom Noi เทศบาลตำบลนิมคมสร้างตนเองลำโดมน้อย 7,538
17. Na Chaluay เทศบาลตำบลนาจะหลวย 7,470
18. Buangam เทศบาลตำบลบัวงาม 7,086
19. Na Yia เทศบาลตำบลนาเยีย 6,730
20. Khemmaratthani เทศบาลตำบลเขมราฐ 6,288
21. Ubon เทศบาลตำบลอุบล 6,101
Exurb, Ubon Ratchathani
22. Khuang Nai เทศบาลตำบลเขื่องใน 4,751
23. Buntharik เทศบาลตำบลบุณฑริก 4,607
24. Sri Muangmai เทศบาลตำบลศรีเมืองใหม่ 4,284
25. Kud Khaopun เทศบาลตำบลกุดข้าวปุ้น 4,124
26. Chongmek เทศบาลตำบลช่องเม็ก 3,628
27. Muang Sam Sip เทศบาลตำบลม่วงสามสิบ 3,358
28. Huai Khayung เทศบาลตำบลห้วยขะยูง 3,346
29. Ang Sila เทศบาลตำบลอ่างศิลา 3,304
30. Tansum เทศบาลตำบลตาลสุม 3,267
31. Na Suang เทศบาลตำบลนาส่วง 3,215
32. Phosai เทศบาลตำบลโพธิ์ไทร 3,100
33. ฺBaan Dan - Khong Chium เทศบาลตำบลบ้านด่านโขงเจียม 2,741
34. Hua Na เทศบาลตำบลหัวนา N/A
35. Muag Srikai เทศบาลตำบลเมืองศรีไค N/A
Exurb, Warin Chamrap
36. That เทศบาลตำบลธาตุ N/A
Educational city, exurb, Warin Chamrap
Sirindhorn Reservoir, Sirindhorn District



Ubon Ratchathani is served by Ubon Ratchathani Airport.


Ubon Ratchathani Railway Station is the main railway station in Ubon Ratchathani.

Human achievement index 2017[edit]

Index for the province Ubon Ratchathani[3]
HAI indices Map Index Rank list
Health 2 0.4593 66th
Education 3 0.2529 72nd
Employment 4 0.5241 63rd
Income 5 0.3991 65th
Housing and environment 6 0.9630 12th
Family and community life 7 0.7181 7th
Transport and communication 8 0.5768 29th
Participation 9 0.5754 33rd
HAI 2017 1 0.5586 62nd

Since 2003, United Nations Development Programme (UNDP) in Thailand has tracked progress on human development at sub-national level using the Human achievement index (HAI), a composite index covering all the eight key areas of human development. National Economic and Social Development Board (NESDB) has taken over this task since 2017.[3]
Province Ubon Ratchathani, with an HAI 2017 value of 0.5586, takes the 62nd place in the rankings. This is "low" between the values of 0.4637 and 0.5637.



Reports (data) from Thai government are "not copyrightable" (Public Domain), Copyright Act 2537 (1994), section 7.


  1. ^ Advancing Human Development through the ASEAN Community, Thailand Human Development Report 2014, table 0:Basic Data (PDF) (Report). United Nations Development Programme (UNDP) Thailand. pp. 134–135. ISBN 978-974-680-368-7. Retrieved 17 January 2016, Data has been supplied by Land Development Department, Ministry of Agriculture and Cooperatives, at Wayback Machine.
  2. ^ "ร่ยงานสถิติจำนวนประชากรและบ้านประจำปี พ.ศ.2561" [Statistics, population and house statistics for the year 2018]. Registration Office Department of the Interior, Ministry of the Interior. stat.bora.dopa.go.th (in Thai). 31 December 2018. Retrieved 20 June 2019.
  3. ^ a b c ดัชนีความก้าวหน้าของคน ปี2560 [Human Achievement Index - HAI year 2017] (PDF). social.nesdb.go.th (Report) (in Thai). National Economic and Social Development Board (NESDB). 2017. pp. 104–105. ISBN 978-974-9769-33-1. Retrieved 14 September 2019, Maps 1-9
  4. ^ "Ubon Ratchathani". Tourism Authority of Thailand (TAT). Retrieved 18 August 2018.
  5. ^ "Maenam Song Si". Tourist Authority of Thailand (TAT). Archived from the original on 2015-09-12. Retrieved 18 May 2015.
  6. ^ Wipatayotin, Apinya (18 August 2018). "How to pad farmers' pockets". Bangkok Post. Retrieved 18 August 2018.
  7. ^ "Phu Chong Na Yoi National Park". Tourist Authority of Thailand (TAT). Retrieved 18 August 2018.
  8. ^ "Kaeng Tana National Park". Tourist Authority of Thailand (TAT). Retrieved 18 August 2018.
  9. ^ "Pha Taem National Park". Tourist Authority of Thailand (TAT). Retrieved 18 August 2018.
  10. ^ Pawaputanon, Oopatham (May 2007). "An Introduction to the Mekong Fisheries of Thailand" (PDF). Mekong Development Series No. 5. Vientiane: Mekong River Commission. ISSN 1680-4023. Retrieved 18 May 2015.
  11. ^ Department of Provincial Administration (2014). "Official Statistics Registration System". Retrieved November 10, 2015.[failed verification]

External links[edit]

Coordinates: 15°13′46″N 104°51′04″E / 15.22944°N 104.85111°E / 15.22944; 104.85111