Ho Chi Minh City, formerly known as Saigon, is the largest city of Vietnam, locates at the heart of the southern part of Viet Nam, between the northern edge of the Mekong Delta and the South Eastern region of volcanic red soil.

HUE is in the central region of Vietnam and is the former imperial capital...

South Vietnam covers the Mekong Delta, the extreme southern end of the Mekong River, and the area around Ho Chi Minh City (Saigon), Vietnam.