Australia's Three Official Flags

Australia recognizes three official flags:

1. Australian National Flag – Blue ensign: Union Jack (canton), 7-point Commonwealth Star, Southern Cross (5 stars).
2. Australian Aboriginal Flag – Horizontal halves: black (people), red (earth/ceremony); yellow disk (sun) centered. Designed by Harold Thomas (1971).
3. Torres Strait Islander Flag – Green (land), black (people), blue (sea) stripes; white dhari (headdress) with 5-point star (island groups). Designed by Bernard Namok (1992).

All three may be flown together on government buildings.