town, south-central Thailand. The fishing port of Samut Sakhon is located on the Gulf of Thailand at the mouth of the Tha Chin River. It is a rice-milling centre and is linked to nearby Bangkok by road, railway, and canal. The town is also called Tha Chin, or Tachin. Fishing, salt production, market gardening for the nearby urban market, and rice farming are major activities in the locality. Pop. (1986 est.) 53,274.