The Warsaw Ghetto (German: Warschauer Ghetto, officially Jüdischer Wohnbezirk in Warschau, "Jewish Residential District in Warsaw"; Polish: getto warszawskie) was the largest of the Nazi ghettos during World War II and the Holocaust. It was established in November 1940 by the German authorities within the new General Government territory of occupied Poland. At its height, as many as 460,000 Jews were imprisoned there, in an area of 3.4 km2 (1.3 sq mi), with an average of 9.2 persons per room, barely subsisting on meager food rations. From the Warsaw Ghetto, Jews were deported to Nazi concentration camps and mass-killing centers. In the summer of 1942, at least 254,000 ghetto residents were sent to the Treblinka extermination camp during Großaktion Warschau under the guise of "resettlement