Revitalisation of urban public space in Core Zone, George Town World Heritage Site (GTWHS) is a mechanism to redevelop the public space area in accordance with the development growth and population. This paper has discussed the revitalisation factors in creating a great urban public space. The main objectives of this study are : 1) to identify urban public space characteristics which is significantly for revitalisation purposes, and 2) to derive the more functionally public space that fit the modern urban life. A combination of method was applied, including quantitative and qualitative method. It has been concluded that it is important to revitalise urban public space through planning and urban management.