Squares can be defined as open spaces where people can carry out many physical, cultural and social activities throughout history. These open spaces, which reflect the culture of the city and connect between the past and the present, can reflect identities of the cities regarding to their physical, aesthetic and socio-psychological properties. The squares are the first urban open spaces which connect between past and the present. Historical city squares are public open spaces which identify with the city and city's history. In this study, firstly, was adressed the formation, change and development of Cumhuriyet square during the historical period. Then, the Historic Republic Square, which located in Kayseri city center with a potential for intensive use, have been analyzed in terms of determined landscape design principles and some suggestions were proposed.