Eurozone troubles The European union is a group of countries in europe who work together using the 4 institutions which are european commission's, parliament, Council of the EU, and the court of justice. 19 of the 28 countries use the euro currency and is in a group called the eurozone the others may have the euro but does not use it. Greece is on the verge of leaving the eurozone primarily because of debt. Greece is in debt about $300 billion because of huge amount of tax evasion and the constant bank loans. There are 2 sides of this issue why should greece keep the euro and why the they should not. Either way greece still has to make changes to the to help get out of debt. If greece decided to leave the eurozone it would help relieve a