Ho Chi Minh City, also known as Saigon, is the most populous municipality of Vietnam, with a population of more than 14 million in 2025. Its geography is defined by rivers and canals, of which the largest is Saigon River. As the largest financial centre in Vietnam, Ho Chi Minh City has the largest gross regional domestic product out of all Vietnam provinces and municipalities, contributing around a quarter of the country's total GDP. It is the busiest international transport hub in Vietnam, with Tân Sơn Nhất International Airport accounting for nearly half of all international arrivals to Vietnam, and the Port of Saigon among the busiest container ports in Southeast Asia. Ho Chi Minh City has historic landmarks and modern landmarks, including the Independence Palace, Bitexco Financial Tower, Landmark 81 Tower, the War Remnants Museum, and Bến Thành Market. It is known for its alleys and nightlife, including the Phạm Ngũ Lão Ward and Bùi Viện street.