Sadao district

Sadao
สะเดา
Temple of the Thousand Buddhas, Wat Tham Khao Rup Chang
District location in Songkhla province
Coordinates: 6°38′19″N 100°25′26″E / 6.63861°N 100.42389°E / 6.63861; 100.42389
CountryThailand
ProvinceSongkhla
SeatSadao
District establishedAugust 22, 1909 (1909-08-22)
Area
  Total
1,029.273 km2 (397.405 sq mi)
Population
 (2021)
  Total
124,115
  Density120.585/km2 (312.31/sq mi)
Time zoneUTC+7 (ICT)
Postal code90120
Geocode9010

Sadao (Thai: สะเดา, pronounced [sā.dāw]) is district (amphoe) on the border of Malaysia in Songkhla province, southern Thailand. The capital of the district is also called Sadao town.

The small town of Danok (Thai: ด่านนอก, RTGS: dan nok), 13 km south of Sadao town in tambon Samnak Kham is the major border crossing between Thailand and Malaysia. The immigration, customs, quarantine and security checkpoint on the Malaysian side is called the Bukit Kayu Hitam ICQS checkpoint. A second smaller border crossing is in the district at Padang Besar, 12 km west of Sadao town.