The Hong Kong Dollar (HKD) is the official currency of Hong Kong, a Special Administrative Region of China. It is abbreviated as HKD and is often represented by the symbol "$" or "HK$" to distinguish it from other dollar-denominated currencies. The currency is subdivided into 100 cents and is issued by the Hong Kong Monetary Authority. The Hong Kong Dollar is pegged to the U.S. Dollar at a rate of approximately 7.8 HKD to 1 USD, providing stability in its value. It is widely used in international trade and finance, making it one of the most traded currencies in the world.