This book focuses on the main push and pull factors that underlie the relocation process of industrial activities towards outside of Istanbul as well as beyond the provincial boundaries. In order to show this, a case study was conducted in Gebze Organized Industrial Zone (GOIZ) because 1/100.000 scale Environmental Management Plan of Istanbul has determined GOIZ as the potential area where the firms can relocate. The case study covered 37 firms which constitute the total number of firms relocated from Istanbul. Results of the study show that traditional location factors such as transport, site and premises are the most important factors that motivate firms to relocate from Istanbul to the GOIZ. However, contemporary factors are not much explanatory in case of the GOIZ.