The Bank of Greece is the Greek member of the Eurosystem and has been the monetary authority for Greece from 1927 to 2000, issuing the drachma. Since 2014, it has also been Greece's national competent authority within European Banking Supervision. Its headquarters is located in Athens on Panepistimiou Street, and it also has several branches across the country. Unlike most contemporary central banks, the Bank of Greece still has private shareholders and its stock is listed on the Athens Exchange.

The Eurosystem is the monetary authority of the eurozone, the collective of European Union member states that have adopted the euro as their sole official currency. The European Central Bank (ECB) has, under Article 16 of its Statute, the exclusive right to authorise the issuance of euro banknotes. Member states can issue euro coins, but the amount must be authorised by the ECB beforehand.