Tan An City is located in the Southwest of Ho Chi Minh City, about 47 km away from HCMC and shares the borders with the following administrative units: the North adjoins to Thu Thua district; the East adjoins to Tan Tru District and Chau Thanh district; the West and Southwest adjoin to Tien Giang province.
Tan An City is the political, cultural, economic, science and technology center of Long An province. The city is located on the development axis of South Key Economic Zone as the economic gateway of Mekong River Delta Region provinces with the main waterway and road network running through the center of National Highway IA, National Highway No. 62 and Cam Co Tay River.
The above mentioned geographical location has given Tan An City the relative advantage in terms of economic and geographical to promote the socio-economic development of Long An Province in general and Tan An City in particular.