Retkinia is a panel block housing estate and district in the city of Łódź (Poland), located in the south-western part of the city. Formerly a suburban village, Retkinia was incorporated into Łódź in 1946.[1] According to information provided by Łódź city council, the district has a population of around 60,000 people.[2] Retkinia is one of 56 districts recognized by the Urban Information System in Łódź,[3] but in terms of municipal administration it is divided into Osiedle Karolew-Retkinia Wschód (Eastern Retkinia, including the district of Karolew) and Osiedle Retkinia Zachód-Smulsko (Western Retkinia, including the district of Smulsko). The dominant type of housing in Retkinia is Panelák, built from the year 1972 on.