The two-letter country abbreviation for Australia is AU, the three-letter code is AUS. Country-specific domains ending with .au, e.g. www.my-domain.au
The country-code TLD (Top Level Domain) of Australia is .au, for example www.your-domain.au
The geographic center of Australia is approx. 19599 km away (flight route) from USA.
Source: entfernungsrechner.net: Distance USA » Australia
In the immediate vicinity of Australia are countries such as East Timor, Papua New Guinea & New Caledonia.