Southern Economic Corridor

The Southern Economic Corridor (Abrv: SEC; Thai: การพัฒนาพื้นที่ระเบียงเศรษฐกิจภาคใต้อย่างยั่งยืน) is a special economic zone on the upper south of Thailand. It consists of four provinces, including Chumphon, Ranong, Surat Thani and Nakhon Si Thammarat.

Source: Wikipedia — Southern Economic Corridor (CC BY-SA 4.0)