6. mountain and the South Peninsula, coastal plains, terrain, this zone is a long narrow peninsula, and is flanked by the sea on both sides is the Gulf of Thailand and the Andaman Sea, on the East side the West side consists of mountains, is the axis of the peninsula and the coastal plains that slope down to the sea on both sides. By the flat side of the spacious East coast than the West Coast. The East Coast is a coastal flat and raised high. There are many beautiful sandy beaches. The coastal side section. The West Coast is sinking, the rugged coastline, there is a great little island waeng wao lots