Berlin Humboldt-Institut – Berlin DID Deutsch Institut – Berlin Constance Humboldt-Institut – Constance Düsseldorf Sprachcaffe – Düsseldorf Frankfurt Sprachcaffe – Frankfurt DID Deutsch Institut – Frankfurt Hamburg DID Deutsch Institut – Hamburg Münih DID Deutsch Institut – Münih Diğer Bölgeler Humboldt-Institut – Bad Schussenried