Languages of the European Union which is understood by 51% of all adults, while German is the most widely used mother tongue, spoken by 18%. All 24 official languages of the EU are accepted as working languages, but in practice only two – English and French – are in wide general use and of these English is the more commonly used. French is an official language in all three of the cities that are political centres of the Union: Brussels (Belgium), Strasbourg (France) and Luxembourg City (Luxembourg). , the official languages of the European Union, as stipulated in the latest amendment of "Regulation No 1
European institutions in Strasbourg the Palace of Europe. It is connected by a bridge to its older office buildings, Pierre Pflimlin, Winston Churchill and Salvador de Madariaga, which are spread out in a broad half circle around the Palace of Europe. The Václav Havel building, inaugurated on 5 July 2017, was originally built in 1955 for the Council of Europe, which used it as "Building B" until 2007. In 2012, it was bought by the European Parliament, which renovated it thoroughly, completely transforming its appearance. The location of Parliament has caused some controversy, as its work takes place not only in Strasbourg but also