This lecture focuses on the importance of enhancing public spaces in urban areas and details the steps involved in developing a Public Spaces Master Plan (PDEP). It covers topics such as geographical and historical analysis, typology of public spaces, iconic public spaces, and current management modes. The preservation of natural and agricultural landscapes is emphasized, along with strategies for promoting soft mobility, enhancing green spaces, and integrating the coastline and hydrographic network into public space planning. The session concludes by highlighting the voluntary nature of embarking on a PDEP for a municipality.