none2noThis paper, largely inspired by Giorgio Agamben's conceptualization of the camp, reflects on the relationship between the 'topographical' and the 'topological' in reference to Auschwitz-Birkenau and its spatialities. After having discussed the concept of soglia (threshold), we briefly introduce the ways in which the historiographical literature on the Holocaust treats the relationship between modernity, rationality, and Nazism. The second part of the paper is dedicated to an attempt to read 'geographically' the entanglements between the camp, Nazi spatial planning, bureaucratic rationalities, and the Holocaust. The notion of the camp-as-a-spazio-soglia is central to this interpretation. Auschwitz, conceived as a metaphorical and real...