It is in southern Thailand, covering territory of the districts Khanom and Sichon of Nakhon Si Thammarat Province and Don Sak and Ko Samui of Surat Thani Province.
This region is located in southern Thailand, encompassing territories that include the districts of Khanom and Sichon from Nakhon Si Thammarat Province and Don Sak and Ko Samui from Surat Thani Province.