Koh Chang is Thailand's third-largest island, preserving pristine nature thanks to its national park status. Dense jungles, waterfalls, elephant sanctuaries, and secluded beaches create an ideal eco-tourism destination.

Main beaches: White Sand Beach with developed infrastructure, Lonely Beach for backpackers, Bang Bao — a fishing village on stilts with seafood restaurants. Klong Plu Waterfall is a popular swimming spot.

The island offers jungle trekking, kayaking through mangroves, and snorkeling at neighboring islands. Koh Chang is reached by ferry from Trat (about an hour), Trat itself is 5 hours from Bangkok.