Phú Quốc (known as Koh Tral by Cambodians) is an island currently administered by Vietnam, although the island is the subject of territorial disputes between Vietnam and Cambodia. It is currently the largest island in Vietnam, part of Kiên Giang province, is also part of an archipelago consisting of 22 islands of all sizes. The island covers an area of 585 km² and is 50 km long. Phú Quốc is also called the Emerald Island because of its natural treasures and high tourism potential. The island is well known for its high-quality fish sauce; Phú Quốc fish sauce smells particularly good since it is made from anchovy- cá cơm, with a high level of protein. The island produces 6 million liters of fish sauce every year.