The Deutsche Technische Hochschulen Verien (German Union of Institutes of Technology) is an incorporated society of the thirteen most prestigious, oldest, and largest universities focusing on engineering and technology in Germany. Its head office is in Berlin. Each university contains faculties covering mathematics, computer science, natural sciences, architecture, civil engineering, mechanical engineering, georesources, materials engineering, electrical engineering, information technology, arts and humanities, business and economics, pedagogical sciences, and medicine.