Common abbreviations for Australia: There are not more than two ways to abbreviate the word Australia. The most common abbreviations for Australia are Au. and AU.
As, this word is a proper noun, it means that you cannot make its abbreviations plural.
Now, I will define Australia and use this particular word in sentences. After that, I will let you know some suitable areas to use the above abbreviations for Australia.
Meaning of Australia with Definition
Australia is known to be a proper noun which is defined as a large country in the southwest Pacific Ocean. The word Australia means southern.
For example,
1. The national animal of Australia is kangaroo.
2. Australia is world famous for its natural wonders and wide open spaces, its beaches, deserts, “the bush”, and “the Outback”. (wikitravel.org)
Suitable Areas to use Au. or AU for Australia
One point to remember: Au and AU are two abbreviations for Australia that cannot be used in general prose or essays. Beside this, an abbreviation for Australia can be used on maps or any business invitation cards.
Most importantly, you can use an abbreviation (Au. or AU) instead of the whole word ‘Australia’ in the areas where space is limited, such as in headlines or newspaper titles.
For example,
• Top 50 highest paying jobs in AU.
• Crime in Au.
Conclusion
It is concluded that AU and Au. are the two common ways to abbreviate the term ‘Australia’. As, Australia is a proper noun, it means that there is no plural form for it. You cannot make its abbreviation pluralized.