Finland is the only Nordic country to use the Euro.
In January 1999, the ball was set in motion towards a unified Europe with the introduction of the Euro as the official currency in eleven countries. In spite of resistance from its neighbors, Finland embraced the idea of converting to the Euro. Finland joined the Third Phase of the Economic and Monetary Union in in May 1998 before adopting the new currency. However, members of this Union didn’t start using the Euro as hard currency until 2002, when Euro bank notes and coins were introduced for the first time. At the same time, the Markka was completely withdrawn from circulation in Finland.
So far, the Finnish economy has performed very well after joining the EU. The country received much need financial alms, aiding as a buffer from the Russian financial crisis. Today the Euro is one of the most powerful currencies, being used by 23 European countries in total. It is denominated as € (or EUR). Notes are valued in 5, 10, 20, 50, 100, 200 and 500 Euro, while coins are valued at 5, 10, and 20, 50 cents and 1 and 2 Euro. 1 and 2 cent coins might be used in other countries, but is not applicable to Finland.
When visiting Finland, amounts exceeding EUR 10 000 need to be declared if you are traveling to or from a country outside the European Union. There are no restrictions on all major types of debit and credit cards, so they can be used freely. When exchanging currency, consider using only banks and ATM’s for the best rate. In general, local banks are open between 9 am and 4.15 pm on weekdays.
From the Bank of Finland: "The Bank of Finland acts as Finland's central bank, national monetary authority and member of the European System of central banks and the Eurosystem. The Eurosystem covers the European Central Bank and the euro area central banks. It administers the world's second largest currency, the euro. There are over 300 million people living in the euro area and from the beginning of 2011 the area covers 17 countries. Therefore, the Bank of Finland's strategies are related to both domestic and Eurosystem objectives. "