Australia

Macao or Macau, special administrative region (SAR) of the PRC (short name 澳[Ao4])

Macao (abbr. for 澳門|澳门[Ao4 men2]); Australia (abbr. for 澳大利亞|澳大利亚[Ao4 da4 li4 ya4])

deep bay; cove; harbor

Australian dollar

opal (abbr. for 澳洲寶石|澳洲宝石[Ao4 zhou1 bao3 shi2])

Australian dollar

Australian-style; Macanese-style

Australia and New Zealand

Australian Open (tennis tournament)

Aoji, education agent

Australasian realm

Municipality of Macau

(bird species of China) Latham's snipe (Gallinago hardwickii)

Australian and New Zealand Army Corps (ANZAC)

macadamia nut

dingo (Canis dingo)

short-finned eel (Anguilla australis)

(geography) the Australian continent (Australia, Tasmania, and New Guinea)

Australian rules football; Aussie rules

Anzac Day

lorikeet

Legislative Council of Macao

Commonwealth of Australia

Australian Broadcasting Corporation (ABC), Australian state-run broadcaster

Macau International Airport

Australian National University (ANU), Canberra

Australian Capital Territory