1 RMB (Chinese Yuan Renminbi - CNY) is approximately equal to 1.2633 MOP (Macau Pataca). It is the official currency ofMacau, which is a small peninsular country in mainland China, across the Pearl River Delta from Hong Kong. The MOP (Macau Pataca) is subdivided into 100 Sins. The issue of the currency is controlled and monitored by the Central Bank, Monetary Authority of Macao. The currency MOP was introduced in 1984. The MOP (Macau Pataca) is pegged to Hong Kong Dollar at 1 Hong Kong Dollar = 1.03 MOP.