Deutsches Reich, or the Third Reich.

the third empire, or third Reich, was the empire of Germany in which Hitler was leader

At the time of the third reich, Adolf Hitler was the totalitarian dictator, or "the fuehrer" (german for leader).

Hitler's regime was officially known as Deutsches Reich (from 1933-1943) and Großdeutsches Reich (from 1943-1945). The term Drittes Reich (Third Reich) was never an official term and only used occasionally by the Nazis for propagandistic purposes.

The Third Reich was in control of Germany.