The European Union was established on 7 February 1992 by the Treaty on European Union, signed in Maastricht, which enters into force on 1 November 1993. As stated in Article 2 of the Treaty on European Union, "The Union is founded on the values of respect for human dignity, freedom, democracy, equality, the rule of law and respect for human rights, including the rights of persons belonging to minorities, non-discrimination, tolerance, justice, solidarity and equality between women and men. " An institutional framework shall be established in order to achieve the conditions on which the values of the Union shall be based and to attain its objectives. Article 13 of the Treaty on European Union defines an institutional framework as "... an framework aimed at promoting its values, advocating for its objectives, serving its interests, the interests of its citizens and the interests of the Member States, and ensuring coherence, efficiency and continuity its policies and actions. " The institutions of the European Union consist of the European Parliament, the European Council, the Council, the European Commission, the Court of Justice of the European Union, the European Central Bank and the Court of Auditors. What is the role of each of these institutions and what are its powers and goals is presented in this paper.