I am the official currency of a country known for its unique and diverse landscapes, including vast deserts, stunning coastlines, and rugged mountains. My banknotes often feature images of native animals and iconic landmarks. In recent years, my value has been significantly affected by fluctuations in global commodity prices, particularly those related to natural resources. I am subdivided into 100 cents.

1. My country is located in the Southern Hemisphere.
2. Mining is a significant industry in my country.
3. I am often traded against the US dollar as a commodity currency.
4. My country is home to the Great Barrier Reef.