Long Khánh is former province in the Southeast Region (ÃÂông Nam Bá» region) of former South Vietnam. It was established on October 22, 1956, by separating from Biên Hòa province.
On April 24, 1957, it had two districts established, Xuân Lá»Âc District and ÃÂá»Ânh Quán District.
During Republic of Vietnam period, Long Khánh hosted the ARVN 18th Infantry Division Headquarters in its northern district of Xuân Lá»Âc and a half of the Viet Cong War Zone D in its southern district of ÃÂá»Ânh Quán.
In 1975, Long Khánh's capital town of Xuân Lá»Âc was the main site of the Battle of Xuân Lá»Âc â the last large battle of the ARVN against the PAVN before the Fall of Saigon.
On April 30, 1975, the province was renamed ÃÂá»Âng Nai province, within newly unified Vietnam.