The Bulgarian National Bank was first established in Sofia and was established on January 25, 1879 in the Republic of Bulgaria and has an independent structure. Currency is Leva. The main task of the bank is physically responsible for issuing banknotes and coins, setting the rules of the banking industry, supervising and managing the government's foreign exchange reserves. The abbreviation of the currency is BGN. It is one of the 13 oldest known central banks in the world.