The article raises the issue of zoning of the central area of Zamosc based on downtown unrealized projects. It also explains the genesis of the formation of its range and the spatial layout, which affected the functioning of nineteenth-century fortress. As early as 1804. Entailer Stanisław Kostka Zamoyski planned to demolish the decaying fortifications and sell strip of land fortress for development. Change the situation on the political arena of Europe made Zamosc under Tsarist Russia became a fortress – a closed town, where civilian activity have been pushed to the back burner and separated from the historical center of strategic cordoned off the circuit. It was not until 24 years after the dissolution of the fortress, in 1880. returned to the development concept of post-fortress area in connection with the planned development of the city, but this met with opposition the military commission – the owner of the land. After regaining independence, the magistrate put forward ambitious building projects realization in the esplanade of the formerly fortress, which this time met with the resistance of the military commissions. As a result of the conversion of disputed land in the late 30’s the post-fortress area was possible to invest. An example was enacted in 1939, pioneering in many respects, zoning plan Zamosc by Władyslaw Wieczorkiewicza and Jan Zachwatowicz in which the authors called for implementation of the downtown on the basis of a linear array of bifocal between the old town (Stare Miasto) and the Nowa Osada suburb.