Phu Quo is the largest island in Vietnam. Phu Quoc and nearby islands, along with distant Tho Chu Islands, is part of Kien Giang Province as Phu Quoc District, the district has a total area of 574 square kilometres and a permanent population of approximately 85,000.
Island is located in the Gulf of Thailand, Phu Quoc 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 kilometres (31 mi) long from north to south and 25 kilometres from east to west in the north at its widest.
Phu Quoc is famous for its two traditional products:fish sauceandblack pepper. The rich fishing grounds offshore provides the anchovy catch from which the prized sauce is made. Pepper cultivation is located inland in the center of the island. More recently a pearl farm was established.