Australia, a hukumance Commonwealth of Australia, ƙasa ce mai cin gashin kanta wacce ta ƙunshi babban yankin nahiyar Australiya, tsibirin Tasmania, da ƙananan tsibirai da yawa. Ita ce ƙasa mafi girma a Oceania kuma ƙasa ta shida mafi girma a duniya ta jimlar yanki. Kasashen da ke makwabtaka da ita sune Papua New Guinea, Indonesia, da East Timor zuwa arewa; tsibirin Solomon da Vanuatu zuwa arewa maso gabas; da New Zealand zuwa kudu maso gabas. Yawan mutane miliyan 25 suna da yawan birane kuma sun fi mayar da hankali a gabar gabashin teku. Babban birnin Australia shine Canberra, kuma birni mafi girma shine Sydney. Sauran manyan biranen ƙasar sune, Melbourne, Perth, da Adelaide. Tambaya: Menene babban birnin Ostiraliya?
Birnin Canberra