Narodowy Bank Polski is the central bank of the state responsible for monetary policy and price stability. Its functions are defined by the Constitution of the Republic of Poland and the Act on NBP. NBP has the exclusive right to issue money.

NBP collects and manages the state's foreign exchange reserves, which guarantee the credibility and financial security of the country.

NBP provides services to the state budget as well as entities from the public finance sector. As a central bank, it does not maintain bank accounts of citizens, does not accept deposits from them, and does not grant loans.

NBP acts as the bank of banks, creating conditions for the operation of the banking system. It is also one of the most important research and analytical centers in the field of economics and financial markets.