A Lưới is a rural district of Huế city in the North Central Coast region of Vietnam.
The rural district is located west in the highly mountainous area of A Shau Valley bordering Laos.
[1] The district covers an area of 1,229 km2 and its capital lies at A Lưới, a former French airfield, later used by the Americans in Operation Delaware and then by the North Vietnamese for courier flights.
[1] Many areas and mountains in the A Luoi region became historically significant in the mid-late 1960s during the Vietnam War, such the Battle of A Shau, the 5th Special Forces' A Lưới Camp that was overrun in 1966, as well as the 4,878-foot Dong Re Lao Mountain best known as the "Signal Hill" that was seized by 1st Cavalry Division LRRP / Rangers in 1968 during the Operation Delaware.
[2] Also, A Bia Mountain, known as the Hamburger Hill that was seized by members of the 101st Airborne Division.