Tân Sơn Nhất International Airport is an international airport serving Ho Chi Minh City, the most populous city in Vietnam. The airport is located in the Tân Bình district within the Ho Chi Minh City metropolitan area. It is the busiest airport in Vietnam, with 32.5 million passengers in 2016, 38.5 million passengers in 2018, and about 41 million passengers in 2023. As of December 2023, it is the 50th-busiest airport in the world, and the fourth-busiest in Southeast Asia.