The Macanese pataca is the official currency of Macau, a special administrative region of China. There are a few synonyms that are commonly used to refer to this currency. One such synonym is the Macau dollar, which is simply another name for the pataca. Another term that is sometimes used is MOP, which is the three-letter code for the pataca used by currency exchange systems. Some people also refer to the pataca as the Macanese peso or simply as the Macau currency. Regardless of what you call it, the Macanese pataca is an important currency for businesses and travelers visiting Macau.