Sadao District

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Wat Tham Khao Rup Chang
Temple of the Thousand Buddhas, Wat Tham Khao Rup Chang
District location in Songkhla Province
District location in Songkhla Province
Coordinates: 6°38′19″N 100°25′26″E / 6.63861°N 100.42389°E / 6.63861; 100.42389Coordinates: 6°38′19″N 100°25′26″E / 6.63861°N 100.42389°E / 6.63861; 100.42389
District established1909
 • Total1,029.273 km2 (397.405 sq mi)
 • Total120,306
 • Density116.5/km2 (302/sq mi)
Time zoneUTC+7 (ICT)
Postal code90120[1]

Sadao (Thai: สะเดา, pronounced [sā.dāw]) is district (amphoe) on the border of Malaysia in Songkhla Province, southern Thailand.

Sadao is a small town better known as Danok (Thai: ด่านนอก, RTGSdan nok) on the crossing border with Malaysia on Phetkasem Road at tambon Samnak Kham.


Historically Sadao is part of Kedah in the district of Changlun, which means 'an elephant falls' in Thai. The district was formerly part of Changlun, and was then under the overlordship of Malay Sultanate of Kedah (known as Syburi in Thai). Sadao is called "Sendawa" in Malay.

When the Britain and Siam (Thailand) signed the Anglo-Siamese Treaty of 1909, deciding what belonged to whom, Changlun was divided into two parts. The main border town of Changlun became the district of Kubang Pasu, now in Kedah of Malaysia. The rest remained Thai. Tambon Sadao, together with the former minor district (king amphoe) Prik, forms modern Sadao.[2]


The name "sadao" is the Thai word for Neem Tree.


Neighboring districts are (from the west clockwise) Khuan Don and Khuan Kalong of Satun Province, Khlong Hoi Khong, Hat Yai, Chana, and Na Thawi of Songkhla Province. To the southwest is the state of Kedah and Perlis in Malaysia.


The district marks the end of Phetkasem Road, the longest road in Thailand, which runs from Bangkok to the border at Danok (Thailand)–Bukit Kayu Hitam (Malaysia).

Two main border crossings with Malaysia are located in the district. The main crossing is at Ban Dan Nok (บ้านด่านนอก), with Bukit Kayu Hitam on the Malaysian side. The other quieter crossing is at Padangbesa, with the Malaysian town of Padang Besar in Perlis on the Malaysian side. The main railway crossing between Malaysia and Thailand is also at Padang Besar.


The district is divided into nine sub-districts (tambon), which are further subdivided into 67 villages (muban). The town (thesaban mueang) of Sadao covers tambon Sadao. Padangbesa is another town which covers parts of the tambon Padangbesa. There are three sub-district municipalities (thesaban tambon): Prik and Phang La each covering parts of the same-named tambon, and Samnak Kham the full tambon Samnak Kham. There are a further seven tambon administrative organizations (TAO) responsible for the non-municipal areas.

No. Name Thai Villages Pop.[3]
1. Sadao สะเดา - 19,284
2. Prik ปริก 11 20,808
3. Phang La พังลา 07 12,570
4. Samnak Taeo สำนักแต้ว 10 13,180
5. Thung Mo ทุ่งหมอ 07 07,070
6. Tha Pho ท่าโพธิ์ 08 06,416
7. Padangbesa (Padang Besar) ปาดังเบซาร์ 12 24,066
8. Samnak Kham สำนักขาม 07 11,864
9. Khao Mi Kiat เขามีเกียรติ 05 05,048



  1. ^ Sub-districts Phang La, Tha Pho and Khao Mi Kiat have postal code 90170, sub-districts Thung Mo and Padang Besa have 90240, village 1, 2, 5, 6, 7 of sub-district Samnak Kham have 90320
  2. ^ ประกาศกระทรวงมหาดไทย ประกาศตั้งอำเภอสะเดาและอำเภอตากใบ (PDF). Royal Gazette (in Thai). 26 (0 ง): 1107–1108. 1909-08-22.
  3. ^ "Population statistics 2009". Department of Provincial Administration.[permanent dead link]

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