The euro is the official currency of the Eurozone, which includes 20 of the eurps. As the most traded currency currency means that many countries latest and most accurate prices their foreign exchange reserves, which medium for global reserves held.
Make sure you have some travel money on hand so you can tip your waiters, taxi drivers, and hotel porters. The only one I know is travelex but I don't want to exchange there before seing another place I like to compare rates. These fees can include currency conversion fees, foreign transaction fees, and ATM withdrawal fees, depending on your card and its terms.
