Phu Quoc is the largest island in Vietnam. The island is part of Kien Giang province, has a total area of 574 square kilometres (222 sq m2) and a permanent population of approximately 85,000. The district of Phu Quoc includes the island proper and 21 smaller islets. The district seat, Duong Dong, is located on the west coast, and is also the largest town on the island.