Kalmar Arewacin Ostiraliya ta haɗa da waɗancan sassan Queensland da Yammacin Ostiraliya arewacin latitude 26° da duk yankin ta na Arewa. Waɗannan ƙananan hukumomin na Yammacin Ostiraliya da Queensland waɗanda ke wani yanki a arewa an haɗa su.
Kodayake ya ƙunshi kashi 45 na jimlar yanki na Ostiraliya, Arewacin Ostiraliya yana da kashi 5 kawai na yawan jama'ar Australiya (miliyan 1.3 a cikin 2019).[1]
| Arewacin Ostiraliya |
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| Yanki |
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