The Australian dollar (AUD) is the official currency of Australia, including Christmas Island, Cocos (Keeling) Islands, and Norfolk Island, as well as the independent Pacific Island states of Kiribati, Nauru, and Tuvalu. It is subdivided into 100 cents. The symbol for the dollar is $, with A$ sometimes used to distinguish it from other dollar currencies. The Australian dollar is a popular currency for international trade and is one of the most traded currencies in the world. Its value is influenced by commodity prices, particularly resources like iron ore and coal.