Long Khánh
War Zone D, located in the area designated as III Corps, began approximately 10km north of Bien Hoa. It comprised southern Phước Long Province, northern Long Khánh Province, northwest Bình Dương Province and northeast Biên Hòa Province. Its northern boundary was Route 14, its western boundary was Route 13 and its southern and eastern boundaries were the Dong Nai River.