Su-ngai Kolok District

Su-ngai Kolok (, ) is a district ("amphoe") of Narathiwat Province, southern Thailand. Its name comes from , which means "the river of the machete" (similar in 
History.
The minor district ("king amphoe") was created on 2 January 1948, consisting of the three "tambons": Su-ngai Kolok, Puyo, and Pase Mat from Su-ngai Padi District and Muno from Tak Bai District. In 1953 it was upgraded to a full district.
Geography.
Neighboring districts are (from the southwest clockwise) Waeng, Su-ngai Padi and Tak Bai. To the southeast is the state Kelantan of Malaysia.
The main water resource is the Kolok River.
Administration.
The district is divided into four sub-districts ("tambons"), which are further subdivided into 19 villages ("mubans"). Su-ngai Kolok itself has town ("thesaban mueang") status and covers most parts of the same-named "tambon".