The article discusses the expansion of the influence of the museum as a culture forming structure on the example of one of the most beautiful cities in Eastern Europe. Lviv is considered a regional metropolis, its cultural influence extends across Western Ukraine. The paper presents the evolution of the museum’s function in the spatial development of Lviv and urban conditions of expanding this function in a modern city. The need for the placement of museum complexes on the outskirts of Lviv’s city center was determined.