Vietnam City is a country in Southeast Asia with three major cities: HUE, Hanoi, and Saigon. HUE is the former imperial capital of Vietnam, located in the central part of the country. Hanoi is the capital of Vietnam, located in the northern part of the country. Saigon is the largest city in Vietnam, located in the southern part of the country. All three cities are important cultural, economic, and political centers in Vietnam.