The ghetto in Lodz (Łódź) was established by the German occupation authorities in early 1940. It was one of the largest ghettos in the "Third Reich". Some of the homes of the deported Jews were allocated to resettled "ethnic Germans" (Volksdeutsche).
Original caption: "Wartheland: Lodsch, Umzug der Juden ins Ghetto"(Wartheland: Lodz, Jews moving to the ghetto) , black-and-white photograph, March 1940, photographer: Dr. Gauss; source: Deutsches Bundesarchiv (German Federal Archive), Bild-137-051639A, Wikimedia Commons, http://commons.wikimedia.org/wiki/File:Bundesarchiv_Bild_137-051639A,_Polen,_Ghetto_Litzmannstadt,_Deportation.jpg?uselang=de.
Attribution-ShareAlike 3.0 Germany (CC BY-SA 3.0 DE), https://creativecommons.org/licenses/by-sa/3.0/de/deed.en.