Today, children'splays shifted from outside to inside and this situation has affected negatively the various aspects of child development. Therefore, It is very important that the existence of open space which can be provide the opportunity to play outdoors and has adequate equipment for children. This research is related to detect an existingsituation of some pre-school educational institutions's open space qualify in Kocaeli. In this study, It is determined that, the form of usage of open space, the area of percapitaamounts, the equipment of used in open areas and the plant species which is used in green open spaces in kindergarten. According to the results; It is determined that, open space is not use deffectively, existing open space is not appropriate for the game and the physical nature of the regulatory issues identified in the open space regulation often is neglected in pre-school education institutions.