Abstract: After the earthquake in the region of Marmara, already existing housing shortage rapidly increased. Permanent residential projects were formed to meet the housing needs; priority was given to those who lost their homes during the earthquake. In addition to permanent residential projects, communal residential projects drew attention as well. As a result of the mentioned housing shortage, various unions and institutions undertook the project of establishing numerous new residential areas. In this study we aimed to observe and to work on classification criteria concerning new residential areas, hence we tried to classify these new establishments according to the criteria we have made. In cities such as Kocaeli, Yalova and Sakarya, which were directly struck by the earthquake, similarities as well as differences were observed and they determined the selection on new residential areas. It is to be noticed that the changes, especially in Istanbul and in other cities in eastern Marmara, were not realised as a consequence of the earthquake, but in expectation of a major one and coincided with the tertiary era cities. Accordingly, new residential areas that were established after the earthquake were closely examined and after the processes concerning the settlements, they were put forward. The new formations were compared with the tertiary era cities. The differences and the similarities were studied.