Details

three horizontal bands of blue (top), red (double width), and blue with a white, three-towered temple, representing Angkor Wat, outlined in black in the center of the red band; red and blue are traditional Cambodian colors

note: only national flag to prominently incorporate an actual identifiable building into its design (a few other national flags - those of Afghanistan, San Marino, Portugal, and Spain - show small generic buildings as part of their coats of arms on the flag)