Abstract
The aim of the study is to investigate the impact the non-existent theatre sites exert on the contemporary spaces of Warsaw and to answer the following question: Do the non-existent theatres Warsaw theatre area, exist in the city architectural and urban-planning memory, or only in historical materials? The research methods necessary to define and solve the scientific problem that were applied included: analysis and criticism of source literature, observation without intervention, case study, intuitive method based on the Author’s personal experience. The research results showed that Warsaw theatre area operated in the years 1870–1939 Teatr Letni [The Summer Theatre], Teatr Nowy [The New Theatre] and Teatr Nowości [The Novelty Theatre] / Teatr im. Wojciecha Bogusławskiego [Wojciech Bogusławski’s Theatre] failed to leave an architectural, urban-planning or symbolic trace. Hence the conclusion that these theatres do not exist in the city architectural and urban memory.