Formal:
* D'Australie: This is the most direct and formal way to say it.
* Originaire d'Australie: This means "originating from Australia."
Informal:
* D'Oz: This is a shortened version of "d'Australie" and is often used in informal settings.
Examples:
* Je viens d'Australie. (I am from Australia.)
* Ce produit est originaire d'Australie. (This product originates from Australia.)
* J'ai rencontré un Australien d'Oz. (I met an Australian from Oz.)
The best way to choose the appropriate translation depends on the situation and your desired level of formality.