The town of Brzeziny is located in the Łódź district. It was occupied by the Wehrmacht on September 8–9, 1939, and annexed to the Reich, becoming part of the Reichsgau Wartheland (Warthegau), which was governed by SS Obergruppenfuhrer Arthur Greiser. The town was renamed Löwenstadt and its street names were Germanized.
A ghetto was established on April 28, 1940. The Jews were given only one day's notice. By the end of 1940, some 6,000 Jews lived in the ghetto, about a quarter of whom were refugees. The ghetto was surrounded by a fence, and it seems that until 1942 security was lax, enabling secret trade between the Jews and the local population.
From the beginning of 1942, the situation in the ghetto deteriorated. Residents of the ghetto suffered from severe hunger, and there was an outbreak of typhus. During this period, rumors of an approaching deportation began to spread. ...