An entity that is in charge of managing a country’s currency (and broadly, money supply), credit and interest rates. It is a state-level bank that provides services to a respective country government and the overall banking sector (jurisdiction) in terms of banking supervision, financial stability, controlling the amount of money in an economy, and setting credit policies and implementing official financial plans for the government, etc.

A reserve bank is a term used to denote a central bank or a monetary agency in a given country. The term is mainly used in specific countries such as United States.