Southern : Phuket _ Koh Samui _ Krabi _ Railay _ Phi Phi _ Koh Lanta _ Koh Phangan _ Koh Tao/Koh Nangyuan _ Phang-Nga/Khao Lak _ Koh Yao Island _ Trang - Koh Ngai _ Hat Yai _ Chumphon _ Ranong _ Satun _ Nakhon Si Thammarat _ Narathiwat _ Suratthani