Originally Posted by totti
Not all correct. Ireland is a member of the euro-zone and the Euro is their official currency. In eastern europe at least in Montenegro and Kosovo the Euro is the offical currency.
And in addition to the countries mentioned above Norway and Sweden don't have the Euro.
I stand corrected. I would like to note that if you are hung up with only Euros in a non-Euro country, many merchants will take your Euro and give you change in the local currency. The rates are absolutly horrendous and I could only see doing this in dire straights or emergencies.