The Saudi Arabian Monetary Unit (SAR) is the official currency of Saudi Arabia. However, there are several synonyms or other terms used to refer to the SAR. Some popular synonyms include the Saudi riyal, the Saudi currency, the Saudi unit, and the Saudi dinar. The riyal is the most commonly used term, and it is divided into 100 halalas. Other less common synonyms include the Saudi Arabian rial, the Saudi gold coin, and the Saudi silver coin. Regardless of the term used, the SAR remains an important currency in the global financial system, due to Saudi Arabia's significant oil reserves and strategic importance.