According to Internal Service, Phu Quoc is located in the southwestern sea area of the country, bordering countries: Cambodia, Thailand. Phu Quoc is covered by a long coastline with many famous and pristine beaches.

Besides, the waters of Phu Quoc have potential fishing grounds and deep-sea waters to facilitate the development of the fishing industry and the development of the seaport system.

In order to effectively exploit the potential of Phu Quoc, the Phu Quoc Island Construction Master Plan up to 2020 was approved in Decision No. 1197/QD-TTg dated November 9, 2005. After 15 years of construction and development, the economy of Phu Quoc district always achieves a high and rate. There are 320 projects in the district, with a total registered investment capital of over 340 trillion dong.

In 2019, Phu Quoc welcomes more than 3 million domestic and foreign tourists. Along with economic development, the infrastructure system is invested with a large-scale, modern, synchronous, gradually forming urban space in the area. Phu Quoc district was recognized by the Prime Minister as urban class 2 in 2014.

Duong Dong town and An Thoi town have been rated for 12/12 standards infrastructure development qualification standards to establish award of Phu Quoc city.

The establishment of the city of Phu Quoc and Phu Quoc city wards in order to establish management models in the model of urban administration, in accordance with the planning approved by the competent authority; contribute to further strengthening management efficiency in areas with high urbanization rates.

The Standing Committee of the National Assembly approved the establishment of Duong Dong ward based on basic status quo the entire natural area and population size of 60,415 people of Duong Dong town. About the establishment of An Thoi ward, based on basic status quo the entire natural area, the population size of 60,415 people of Hon Thom commune and basic status quo the entire natural area, a population size of 60,415 people of An Thoi town belongs to Phu Quoc City.

Once established, the city of Phu Quoc 9 communal administrative units, including Ham Ninh, Duong To, Ganh Dau, Bai Thom, Cua Duong, Cua Can, and Tho Chau.

Coupled with the establishment of the city of Phu Quoc, agencies such as the People's Court, People's Procuratorate of this city are established.

From the effective date of this Resolution of the Standing Committee of the National Assembly (from March 1, 2021), Kien Giang province will have 15 district-level administrative units, including 3 cities: Ha Tien city, Rach Gia city, and Phu Quoc city, 12 districts with 144 commune-level administrative units (116 communes, 18 wards, 10 towns). Phu Quoc officially became the first island city of Vietnam.