Gediz Delta is place of empties itself into the sea of Gediz River. It's one of the important wetland of Turkey which under the protection of Ramsar Convention. It has lots of lagoones, salt marshes, freshwater marshes, large saltpans and also ornitotourism place "Kus Cenneti". Gediz Delta has rich flora and fauna biodiversity because of this it's important place for natural life sustainability. Gediz river has carried pollution factors from 4 cities. In addition Izmir city urbanization pressure has been threated the area where is 44 km far form city center. Thus It's vital important to determination of landuse decisions and planning.