The German Academic Exchange Service e. V. (DAAD) is a joint organization of German universities and student association for the care of their international relations and at the same time the world's largest funding agency for the international exchange of students and academics. The DAAD supports a wide variety of projects, including a semester abroad, doctoral studies, internships or guest lecturers. The DAAD is also the national agency for the coordination and implementation of the Erasmus program. The varied program is explained in detail on the pages of the DAAD.