Koh pha-ngan is north of Koh Samui. It is being developed now, but it is still more relaxed than Koh Samui or Phuket. Best things to do include a snorkeling trip to Ang Thong National Marine Park a visit to Bottle Beach - lay on the beach or hike to the waterfall.

Ayutthaya
Bangkok
Chalong
Chiang Dao
Chiang mai
Chiang Rai
Hat yai
Hua Hin
Kanchanaburi
Khao yai national park
Ko Samet
Koh chang
Koh Lanta
Koh pha-ngan
Koh phi phi
Koh Samui
Koh Tao
Krabi
Muang
Nong khai
Patong
Pattaya
Petchburi
Phang-nga bay
Phitsanulok
Prachinburi
Prachinburi
Samutsakhon
Saree Beach
Satun
Songkhla
Soppong
Sukhothai
Surin
Surin
Tarutao
Thamai
Trang
Udon thani