InterDaF combines competence and experience with the field of German as a foreign language within the courses offered. The language course is designed to meet the needs of course participants. All courses are designed to meet the criteria of CEFL. The summer and winter courses are held every year and are reserved for 35 hours a week. Depending on the needs and expectations of the students, language course programs are also organized upon request.

Leipzig University in Leipzig in the Free State of Saxony, Germany, is one of the world's oldest universities and the second-oldest university (by consecutive years of existence) in Germany. The university was founded on 2 December 1409 by Frederick I, Elector of Saxony and his brother William II, Margrave of Meissen, and originally comprised the four scholastic faculties. Since its inception, the university has engaged in teaching and research for over 600 years without interruption.

Famous alumni include Leibniz, Goethe, Leopold von Ranke, Raila Odinga, Friedrich Nietzsche, Robert Schumann, Richard Wagner, Tycho Brahe, Georgius Agricola, Angela Merkel and the nine Nobel laureates associated with the university.Today, the university has 14 faculties. With over 29,000 students, it is Saxony's second-largest university. There are now more than 150 institutes and the university offers 190 study programs leading to Bachelor's degrees, Master's degrees, Staatsexamen, Diplom and Ph.D.s. The university offers a number of courses in English and other foreign languages, and there are several programs which have been specially designed for foreign students. Exchange partner universities include the universities of Arizona, Oklahoma, Houston, Alberta, Ohio, and Edinburgh. Traditionally contacts to universities in Eastern Europe and the Far East are strong as well, e.g. there are cooperations with leading institutions such as Moscow's Lomonosov University and Renmin University in Beijing.