Located in the Gulf of Thailand, Phú Quốc island lies just 12 km south of the Cambodian coast, west of Kampot, and 40 km west of Ha Tien, the nearest coastal town in Vietnam. Roughly triangular in shape the island is 50 kilometers (31 mi) long from north to south and 25 kilometers (16 mi) from east to west in the north at its widest. It is also located 62 nautical miles (115 km; 71 mi) from Rạch Giá and nearly 290 nautical miles (540 km; 330 mi) from Laem Chabang,Thailand.
A mountainous ridge known as "99 Peaks" runs the length of Phú Quốc, with Chúa Mountain being the tallest at 603 meters (1,978 ft)
