As we are entering the 21st century, large cities together with sustainable developments and increasing concentration of people are formed with effects like globalism, massiveness etc. on the other hand, and confronted with conflicts on keeping characteristics like identity-seeking, locality etc. on the other. In countries like Turkey, swift changes due to urbanisation causes deprivation, destruction gradual extinction of environments with historical and cultural values. Within this rapid process place-identity, self-, and social-identity are differentiating. In this context the aim of the paper is emphasise the importance of historical and cultural environment's role in forming place-identity under the light of concepts like self-, social-, and place-identity, examine the subject in the scope of Trabzon, the metropolis of the future, and discuss how the cities in the future will or should be.