Which are the institutions of European Union and which countries are the member of EU?

The institutions of European Union are: the European Parliament, the European Council, the Council of the European Union, the European Commission, the Court of Justice of the European Union, the European Central Bank, and the Court of Auditors. The European Parliament is elected every five years by EU citizens. Curently, there is 28 member states: Austria, Belgium, Netherlands, Finland, Sweden, Croatia, Spain, Germany, France, United Kingdom., Italy, Slovenia, Hungary, Romania, Bulgaria, Cyprus, Czech Republic, Slovakia, Denmark, Estonia, Greece, Ireland, Latvia, Lithuania, Luxembourg, Malta, Poland and Portugal.