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The population of Slano is 552.
Jews were first imprisoned in 'Jewish quarters' of certain cities, or 'ghettos' as they would be known. Later they were imprisoned in camps, be they labour, transit or concentration camps.
Dachau was the first (1933) and at first imprisoned opponents of the Nazis. 6 more were in Poland - Aushwitz-Birkenau, Belzec, Lublin, Chelmno, Sobibor and Treblinka these began opewration in 1941/42. Though the concentration camps are always associated with the slaghter of Jews it is worth remembering that other groups such as Jehovah's witnesses, Gypsies, homosexuals, anyone agains the Nazis including clergy were also imprisoned and systematically killed there.