Phú Quốc is the largest island in Vietnam. Phú Quốc and nearby islands, along with the distant Thổ Chu Islands, are part of Kiên Giang Province as Phú Quốc City, the island has a total area of 574 km2 (222 sq mi) and a permanent population of approximately 179,480 people. Located in the Gulf of Thailand, the island city of Phú Quốc includes the island proper and 21 smaller islets. Dương Đông ward is located on the west coast, and is also the administrative and largest town on the island. The other ward is An Thới on the southern tip of the island.