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
Strasbourg-Ortenau Eurodistrict took place on 4 February 2010. Roland Ries was elected as the Council's first president. The Eurodistrict is served by several cross-border transportation companies: Ortenau S-Bahn (railway), TER Alsace (railway), Compagnie des Transports Strasbourgeois (tramway and buses). Strasbourg-Ortenau Eurodistrict The Eurodistrict Strasbourg-Ortenau is a Franco-German eurodistrict, a cross-border administrative entity ("European Grouping for Territorial Cooperation") sharing common institutions, established on 17 October 2005 and definitely functional since 4 February 2010. The district is formed by the Eurométropole de Strasbourg (centred on the city of Strasbourg) and 3 other urban communities (of Rhinau, Erstein and Benfeld) in the Grand Est region