Ireland encountered economic difficulties when it adopted the euro, the currency of 19 countries in the European Union. These include: Austria,Belgium<span>, </span>Cyprus<span>, Estonia, </span>Finland, France, Germany, Greece, Ireland, Italy<span>, Latvia, Lithuania, Luxembourg, </span>Malta, the Netherlands,Portugal<span>, Slovakia, Slovenia, and </span><span>Spain. </span>The Euro is known as the official currency of Europe.