The main objective of this thesis is to examine and evaluate the industrial estates including 20 in total which have been established are currently being established.In addition the manufacturing industry will be wxamined and evaluated in relation to the progression of in critical industrial estates.İzmir contains the highest number of in Turkey ,hence a detailed evaluation will be made from a critical point of view on the required amount of space for the industrial estate in.Furthermore the policies of industrial estates in Turkey will be a critical aspect of the study.The main objectives of policies of 40 years include; reducing unbalance between regions, controling and directing industrial development, reducing unemployment and using industrial estates as a urban organizer.In this study, practiced policies of industrial estate with policies in development plans explained above and how much of these policies has been fulfilled will be discussed.In addition, the questions of which industrial estates have been successful and unsuccessful and the effective factors will be explained.In the case study, structure and historical development of manufacturing industry in İzmir were examined.The objectives of industrial estates to become widespread through the city, what actors have influenced policies of industrial estates and the goals of these actors on establishing industrial estates have been discussed.For this reason, establishment objectives and technical features of industrial estates that were active, on the process of construction and on site analysis stage were also examined. Afterwards, by Regression , Arima-Moving average and Exponential Smoothing-Holt Models expectation of manufacturing industries of İzmir and required space presuming establishments of manufacturing industries and their choice of places in industrial estates were estimated.With this objective first of all; practicing of industrial estates from some choosen countries, economical advantages of the industrial estates and the importance and allocation of industrial estates in urban and region planning were discussed.Second of all; some information was outlined in the development, judicial bases, establishment, location selection, administration and financing of industrial estates in Turkey.Third of all; the critical evaluation of practicing industrial estates in Turket and its results were done.Finally, analysing manufacturing industry of İzmir, space requirement of industrial estate in 2020 was estimated and some policies were proposed regarding the exist ance of industrial estates to avoid creating idle capacity.Key words: Industrial estate, industrialization, industry planning and manufacturing industry.