The concern with space and, more fundamentally, the formulation of a larger, guiding spatial theory, was central to achieving Nazi objectives during the Third Reich. We disclose critical elements of that theory, focusing on two contributions: the first by the jurist and international legal and political theorist Carl Schmitt (1888–1985) and the second by the geographer Walter Christaller (1893–1969). Applying the perverted biopolitical logic of National Socialism required the military accomplishment and bureaucratic management of two interrelated spatial processes: deterritorialization and reterritorialization. Deterritorialization involved moving non-Germanized Germans (mainly Jews and Slavs) off conquered Eastern lands to create an “empty...