Nazi Germany was under the authority of Hitler.
Nazi Germany is the common English name for the period in German history from 1933 to 1945 , when Germany was governed by a dictatorship under the control of Adolf Hitler and the Nazi Party ( NSDAP ) . Under Hitler 's rule , Germany was transformed into a fascist state in which the Nazi Party took totalitarian control over nearly all aspects of life . All power was centralised in Hitler 's person , and his word became above all laws .