A Reserve Bank is a central bank responsible for managing a country's currency, money supply, and interest rates. It plays a crucial role in maintaining financial stability and overseeing the banking system. By controlling inflation and ensuring the availability of credit, the Reserve Bank helps promote economic growth. Additionally, the Reserve Bank acts as a lender of last resort to commercial banks during financial crises. It also manages foreign exchange reserves and implements monetary policy to influence economic conditions. Examples of Reserve Banks include the Federal Reserve in the United States and the European Central Bank in the Eurozone.