Phu Quoc, also known as Dao Ngoc, is the largest island in Vietnam, is also the largest island in the 22-island population here, located in the Gulf of Thailand. Phu Quoc Island together with other islands constitute Phu Quoc island district directly under Kien Giang province. The whole island district has a total area of ​​589.23 km² (according to land statistics in 2005), approximately the area of ​​the island nation of Singapore in the 1960s without leveling the sea. Duong Dong town, located in the northwest, is the capital of the island district. Phu Quoc is located 120 km from Rach Gia city and 45 km from Ha Tien town. In 2006, the Kien Giang coastal and marine biosphere reserve included this district, which was recognized by UNESCO as a world biosphere reserve.

By July 2011, 74 projects were granted investment certificates in Phu Quoc, with a total investment of VND 48,087 billion.

Cool weather is tropical monsoon. The climate is divided into two distinct seasons.

Dry season: Phu Quoc Island is influenced by northeast monsoon. The highest temperature is 35 degrees Celsius in April and May.

Rainy season: Phu Quoc Island is the gateway to the West - Southwest monsoon, high humidity from 85 to 90%.