Ho Chi Minh City, commonly known as Saigon, is the most populous city in Vietnam, with a population of around 10 million in 2023. The city's ge…Ho Chi Minh City, commonly known as Saigon, is the most populous city in Vietnam, with a population of around 10 million in 2023. The city's geography is defined by rivers and canals, of which the largest Saigon River is named after. As a municipality, Ho Chi Minh City consists of 16 urban districts, five rural districts, and one municipal city. As the largest financial centre in Vietnam, Ho Chi Minh City has the highest gross regional domestic product out of all Vietnam provinces and municipalities, contributing around a quarter of the country's total GDP. Ho Chi Minh City's metropolitan area is ASEAN's 6th largest economy, also the biggest outside an ASEAN country capital.