The European Central Bank publishes on a daily basis a list of exchange rates for a number of currencies against the euro. The list is called the “euro foreign exchange reference rates” and it is reproduced by the Bank of Greece in a bulletin which is called "the bulletin of the ecb euro foreign exchange reference rates”
The exchange rates against the euro published by the ECB are released for reference purposes only and do not necessarily reflect rates at which actual market transactions have been made.
Transaction prices are the buying and selling prices of foreign exchange and foreign currency banknotes between private clients and Bank of Greece and between other domestic banks and Bank of Greece.
In this section you can find detailed information about the “euro foreign exchange reference rates”.Also, here you can find the irrevocable euro conversion rates of currencies of the Member States participating in the EMU and the euro as well as the historical foreign exchange fixing rates against the drachma.