Shaping open areas in the functional and spatial structure of a city is the subject of research and analyses aimed at determining the quality of life and environmental parameters in a city and formulating conclusions regarding the spatial development planning and city landscape. The study points to problems with the transformation of open areas in a city. The urban ecosystem regeneration is linked with the urban environment parameters and social integration improvement. The modern urban design is based on a functional structure forming an inseparable whole with the natural system, including green and blue infrastructure. The analysis of contemporary models of shaping open spaces in cities indicates that the principles of regenerative design are applied. The regenerative design of open areas leads to the development of guidelines specifying new standards for shaping the functional and spatial structure related to the natural system of a city. Contemporary spatial planning should take into account the functional and qualitative parameters as well as the effectiveness of green areas. The implementation should be optimized in connection with the services contributing to the integration of the local community.