The Ruprecht-Karls-Universität Heidelberg (Heidelberg University, Ruperto Carola) is a public research university located in Heidelberg, Baden-Württemberg, Germany. Founded in 1386, it is the oldest university in contemporary Germany and 5th oldest in Central Europe. It was the third university established in the Holy Roman Empire. Heidelberg has been a coeducational institution since 1899. Today the university consists of twelve faculties and offers degree programmes at undergraduate, graduate and postdoctoral levels in some 100 disciplines. It is a German Excellence University, as well as a founding member of the League of European Research Universities and the Coimbra Group. The language of instruction is usually German.