Koh Samui Thailand travel guide and tourist information Koh Samui, Thailand travel guide and hotels, accommodation, resorts, local and tourist information on Chaweng Beach, Lamai, Maenam and Bophut. Koh Samui, Thailand travel guide and tourist information Koh Samui, Thailand is a tropical gem located in the warm blue waters off the countrys south-eastern seaboard. It is the Kingdoms second largest