This article presents the development of the Metropolis GZM cities within the scope of the concept of a Smart City and 4T capitals. The subject matter discussed herein is also related to the search for municipal authorities’ new models and tools to shape sustainable development in order to improve citizens’ access to municipal services and facilities, as well as to increase citizens’ impact on the future of their cities. The main objective of the research was to identify the way in which authorities of the selected cities consider the subject matter related to the Smart City and 4T capitals when formulating local policies. The aim of this article is to analyse the innovative potential in selected cities of the Metropolis GZM, in the light of academic entrepreneurship, the innovativeness of citizens, entities supporting innovativeness, and soliciting talent. The research was based on a systematic literature review and the analysis of local documents, supplemented by direct interviews with local managers and participant observation.