SIAM IS THE FORMER NAME OF THAILAND
The signature of king Mongut give the named SIAM official status until 24 june 1939.
The change from Siam to Thailand officially accepted 11th may1949
Which islands to go to in Thailand?
• Phuket: Phuket is one of the southern provinces (changwat) of Thailand. It consists of the island of Phuket, the country's largest island, and another 32 smaller islands off its coast
• Koh Phi Phi :Phi Phi Island is Thailand's island-superstar
• Ko Pha Ngan
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• Koh Samui.: TripAdvisor has 373893 reviews of Ko Samui Hotels, Attractions, and Restaurants making it your best Ko Samui resource. ... We check up to 200 sites for the latest and lowest prices. 
• Similan Islands.
• Koh Tao.
• Koh Yao.
• Koh Lanta.
This article includes a list of capitals and largest cities of provinces of Thailand. National capital city ofThailand is Bangkok
note:image taken from google
Amazing island. Hopefully one day i will visit this island with my family members or friends. Thanks for sharing awesome place.
waiting for more from you a-7! keep motivating!
Check my page for Koh Tao Island, really beautiful. Also I have a small blog about my travel in Bangkok!
nice.tell something about your travel
Look up on my blog, follow me for more content about Thailand and many more other countries! :)