The Angkor Wat temple represents the country's ancient heritage, Theravada Buddhism, and the monarchy. Blue represents the monarchy and red represents the nation.
History
First adopted in 1948 and restored in 1993 after the restoration of the monarchy, following various designs used during the Khmer Republic and Khmer Rouge eras.
Construction
A 2:3 ratio. A horizontal tricolor of blue, red (double width), and blue, with a white representation of Angkor Wat centered in the red band.