Other German speaking States include Austria and Lichtenstein. Switzerland is three quarters ethnic German. Historically, millions of German speaking people lived throughout eastern Europe and the Volga region in Russia. A person may have a German last name and identify as Czech and the other way around. Actress Franke Potente is a German actress with an Italian last name. This is the result if intermarriage. Swedish actor Max von Sydow has a German last name. Claus von Bülow identified as Danish but looks ethnic German and has a German last name. Sometimes migration or changing borders. Germany lost land and ethnic Germans to Denmark. FYI.