This thesis aims an analysis of early Republican state factory settlements, in terms of their concern for workers&amp / #8217 / health and welfare, within Turkish modernization in the largest extent. State factory settlements are evaluated in terms of their architectural program(s), in terms of concern about the physical and mental health requirements of their future workers at the stage of their foundation. Different types of buildings, like workers&amp / #8217 / houses, cafeterias, health centers and clubs, with respect to their organization and architectural function and also areas spared for sports and recreation are examined in EskiSehir Sugar Factory, as an exemplary case of the state factories. The aim has been to reveal and evaluate the role of the social and architectural construction of state factories on workers&amp / #8217 / (and their families) health, as a part of the modernization project of Turkey.