Thailand -Burma Border Crossing by Boats
Ko Yao Yai (island) is the largest island in the Ko Yao Archipelago. The island group is in Phang Nga Bay in the Phang Nga Province. Ko Yao Yai means "big long island". The other main island of the group is Ko Yao Noi ("little long island"), off Ko Yao Yai's north side and separated from it by a narrow sound.