Lak Sao
Lak Sao is a small town in Khamkeut District, Bolikhamsai Province, of central Laos. It is located at the major crossroads where the 1E comes from the south, and the AH15, as Lao [National Route 8], comes from the northeast and the border with Vietnam. The AH15 continues west to Thailand.
During the Vietnam War/Laotian [Civil War] the Laotian army fought the North Vietnamese at the Battle of Lak Sao.