Wiang Sa District, Surat Thani

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Wiang Sa
Amphoe location in Surat Thani Province
Amphoe location in Surat Thani Province
Coordinates: 8°37′47″N 99°20′35″E / 8.62972°N 99.34306°E / 8.62972; 99.34306Coordinates: 8°37′47″N 99°20′35″E / 8.62972°N 99.34306°E / 8.62972; 99.34306
Country  Thailand
Province Surat Thani
Seat Wiang Sa
 • Total 427.6 km2 (165.1 sq mi)
Population (2005)
 • Total 41,030
 • Density 96/km2 (250/sq mi)
Time zone ICT (UTC+7)
Postal code 84190
Geocode 8415

Wiang Sa (Thai: เวียงสระ, pronounced [wīa̯ŋ sàʔ] ) is a district (amphoe) of Surat Thani Province, Thailand.


Wiang Sa is in the southeast of Surat Thani province. Neighboring district are (from the west clockwise) Phrasaeng, Khian Sa and Ban Na San of Surat Thani, and Phipun, Chawang and Tham Phannara of Nakhon Si Thammarat Province.

The Tapi River forms the western boundary of the district. Smaller rivers within the district are Khlong Nam Thao, Khlong Tan and Khlong Chanuan. While to the west the terrain descend to the Tapi plain, to the east are the hills of the Nakhon Si Thammarat mountain range.

The northeast of the district is protected within the Tai Rom Yen National Park.


Wiang Sa originated as a minor city-state (mueang) under the control of Nakhon Si Thammarat after the Srivijaya times. This was converted into a district named Khlong Tan (คลองตาล) during the thesaphiban reforms at the end of the 19th century.

However shortly thereafter, in 1896 Wiang Sa was reduced to a tambon within the district Lamphun, the current Ban Na San district. On 10 March 1968 Wiang Sa became a minor district (king amphoe) by splitting off the tambon Wiang Sa and Thung Luang from Ban Na San district.[1] On 17 November 1971 it was upgraded to full district status.[2]


Wiang Sa is subdivided into 5 subdistricts (tambon), which are further subdivided into 64 villages (muban). There are three townships (thesaban tambon) - Wiang Sa covering parts of the tambon Wiang Sa and Ban Song, Ban Song covering the remaining parts of tambon Ban Song, and Khao Niphan covering the complete tambon Khao Nipham. The three tambon which are not completely covered by municipal area each have a tambon administrative organization (TAO).

No. Name Thai name Villages Inh.
1. Wiang Sa เวียงสระ 10 9,696
2. Ban Song บ้านส้อง 18 6,725
3. Khlong Chanuan คลองฉนวน 12 8,382
4. Thung Luang ทุ่งหลวง 16 10,374
5. Khao Niphan เขานิพันธ์ 8 5,853
 Map of Tambon


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