WCentral Office for South Vietnam, officially known as the Central Executive Committee of the People's Revolutionary Party from 1962 until its dissolution in 1976, was the American term for the North Vietnamese political and military headquarters inside South Vietnam during the Vietnam War. It was envisaged as being in overall command of the communist effort in the southern half of the Republic of Vietnam, which included the efforts of both People's Army of Vietnam (PAVN), the Viet Cong, and the People's Revolutionary Party. Some doubted its existence but in his memoirs the American commander in South Vietnam, General William Westmoreland, spoke of it as something whose existence and importance were not in doubt.
WThe tunnels of Củ Chi are an immense network of connecting tunnels located in the Củ Chi District of Ho Chi Minh City (Saigon), Vietnam, and are part of a much larger network of tunnels that underlie much of the country. The Củ Chi tunnels were the location of several military campaigns during the Vietnam War, and were the Viet Cong's base of operations for the Tết Offensive in 1968.
WPlain of Reeds is an inland wetland in Vietnam's Mekong Delta. Most of the wetlands are within Long An Province and Đồng Tháp Province.
WThe Fishhook was the name given to a salient of Kampong Cham Province, southeast Cambodia that protrudes into Bình Long and Tây Ninh provinces, Vietnam, approximately 80 km northwest of Saigon. The area consisted of generally flat plains adjacent to Mimot northeast through roughly rolling plains; and east to the roughly dissected hills and low mountains near O'Rang. Multi-canopied, dense undergrowth forest was the dominant natural vegetation throughout the area. Rubber plantations were found primarily in the western section
WHát Dịch secret zone was an area within South Vietnam. It covered the area where the borders of Phước Tuy, Long Khánh and Biên Hòa Provinces met.
WThe Iron Triangle was a 120 square miles (310 km2) area in the Bình Dương Province of Vietnam, so named due to it being a stronghold of Viet Minh activity during the war. The region was under control of the Viet Minh throughout the French war in Vietnam and continued to be so throughout the phase of American involvement in the Vietnam War, despite concerted efforts on the part of US and South Vietnamese forces to destabilize the region as a power base for their enemy, the communist North Vietnamese–sponsored and–directed South Vietnamese insurgent movement, the Viet Cong (VC).
WMichelin Rubber Plantation was located near Dầu Tiếng District in Bình Dương Province, 72 km northwest of Saigon. The plantation was established by the Michelin company in 1925 and at 12,400 hectares it was the largest rubber plantation in Vietnam. The plantation was located approximately halfway between the Cambodia border and Saigon and so was an important base and staging area for the Viet Cong (VC) and later the PAVN. The plantation was an important source of revenue for the South Vietnamese Government and it was believed that the Michelin Company paid off the VC in order to keep the plantation operating during the war. US forces were obliged to compensate Michelin for damage caused to the rubber trees during operations in the plantation.
WParrot's Beak was the name given to a salient of Svay Rieng Province, southeast Cambodia that protrudes into Hậu Nghĩa and Kien Tuong Provinces, Vietnam, approximately 65 km north-west of Saigon.
WWar Zone D was the area in South Vietnam around the Dong Nai River, north of Bien Hoa which served as a Viet Cong (VC) and People's Army of Vietnam (PAVN) base area and infiltration route during the Vietnam War.