Long Khánh
The VC 5th Division's headquarters were located in northeast Phước Tuy, in the Mây Tào Mountains; the 274th Regiment's headquarters were located in the Hát Dịch area and the 275th Regiment's headquarters were located somewhere in the Mây Tào Mountains, although the precise locations are unknown. The division operated in the Bien Hoa, Đồng Nai, Phước Tuy and Long Khánh provinces. North Vietnamese regulars reïnforced the division during operations.