European Union is an European, economic and political union which is situated in Brussels, Belgium. It was established as Treaty of Paris on 23 July 1952, January 1, 1958 as Treaty of Rome. It has 27 members states. The total area of the European Union is 4,324,782 km2 (7tha) and the total population is 503,492,041. It has 23 official languages are used. Herman Van Rompuy is the president of the European Council and José Manuel Barroso is the president of the commission. European Union is commonly known as EU. Fax Number:-+32 (0)2 2305464 The contact information like email address, telephone number, website and postal cum official address of European Union Headquarters is mentioned in below section. European Union Headquarters is located at Rue de Trèves, 59-61 1040 Brussels, Belgium. You can contact European Union Headquarters by phone at phone number +32 (0)2 2350680.