Ho Chi Minh City, commonly known by its previous name, Saigon, is the most populous city in Vietnam with a population of 9 million as of 2019. Located in southeastern Vietnam, the city surrounds the Saigon River and covers about 2,061 square kilometres. From 1955-1975, Saigon was briefly the capital of South Vietnam. Nowadays, Saigon is commonly used to refer to the city's central business districts, whereas Ho Chi Minh City is used to refer to the whole city.
HCMC is the financial centre of Vietnam and is classified as a Beta+ World City by Globalization and World Cities Research Network. It is home to the Ho Chi Minh City Stock Exchange, the largest stock exchange by total market capitalization in Vietnam and the headquarters of many national and international banks and companies.
As a major gateway to Vietnam, the city received over 8.6 million international visitors in 2019, of which 4.1 million were overnight visitors. The main passenger airport serving the metropolitan area is Tan Son Nhat International Airport, the busiest airport in Vietnam handling over 40 million passengers in 2019.