Australian Dollar(AUD) is 澳大利亚元
AUD is Translated into "澳大利亚元" in Chinese Word by China Official and Banks.
It is Free Translation. "澳元" is "澳大利亚元" in Short.
Reference by Bank of China: http://www.boc.cn/sourcedb/whpj/

Chinese People Call it "澳元","澳大利亚元".

Australia is Translated into "澳大利亚" by China Official.