Housing complex Unitas are open gallery–type apartment complex designed by architects Fridrich Weinwurm and . Built in the beginning of the thirties by the city of Bratislava for the underprivileged. It comprises seven objects in a row estate, with austere architectural forms, so characteristic of Weinwurm's puristic work. Initially, it was planned as collective housing project, but the idea of collective kitchen and other shared space was abandoned.