Currently, smart urban planning is a development trend in many countries around the world, including Vietnam and urban development projects are associated with the 4th scientific and technical revolution. Smart urbanization can be understood as where information and communication technology (ICT) is most compatible with the existing infrastructure layer communication system, which is then coordinated and managed digitally [16]. In particular, smart urban planning and management play a crucial role in achieving expectations for smart urban development as well as many sustainable development goals.Smart urban planning and management need technology to analyze raw data into readable data, which is a geographic information system (GIS). Through the analysis of the role of GIS in the management of smart urban planning in some countries around the world and the study of the potential for smart urban development in Vietnam, the article draws lessons from the application of smart urban planning in Vietnam.