The 1st Division of the Army of the Republic of Vietnam

Army of the Republic of Vietnam

The Army of the Republic of Viet Nam , sometimes parsimoniously referred to as the South Vietnamese Army , was the land-based military forces of the Republic of Vietnam , which existed from October 26, 1955 until the fall of Saigon on April 30, 1975...

 (ARVN)—the army of the nation state of South Vietnam

South Vietnam

South Vietnam was a state which governed southern Vietnam until 1975. It received international recognition in 1950 as the "State of Vietnam" and later as the "Republic of Vietnam" . Its capital was Saigon...

 that existed from 1955 to 1975—was part of the I Corps

I Corps (South Vietnam)

The I Corps Tactical Zone was a corps of the Army of the Republic of Vietnam , the army of the nation state of South Vietnam that existed from 1955 to 1975. It was one of four corps which the ARVN oversaw. This was the northernmost region of South Vietnam, bordering North Vietnam...

 that oversaw the northernmost region of South Vietnam, the centre of Vietnam.

The 1st Division was based in Huế

Hue

Hue is one of the main properties of a color, defined technically , as "the degree to which a stimulus can be describedas similar to or different from stimuli that are described as red, green, blue, and yellow,"...

, the old imperial city and one of two major cities in the region, which was also the corps headquarters.