Simav according to tax registers number 45

Main source of this study based on the Ottoman book of the Tahrir Defters that give information about the government social, economic and people.The district of the Simav geographical, history, administrative, popilation and economic condition information have been determined from the Ottoman Tahrir Defters registered 45 that was weitten first book about the Simav region during the Sultan II. Bayezid ruling period.Region has been settlement since the pre historical era, after Anatolia had been Turkicized; Seljuk sultanate had a power of the region governing. After this date Simav had been governed by the Germiyanoğulları, then Ottoman empire.During the this study time the district of the Simav had divided 71 villages and 14 settlement regions zone besides, the district of the Simav center had been consists of three quarters.Simav population was approximately 9299.Grain agriculture was very important in the Simav region, furthermore.Fruit and vegetable productions werw another main economic income fort he region.Besides agriculture production small cattle rising and beekeeping have done.This study has been prepared according to the first book of the Tahrir Defter 45 was related with the region, our study is very important that was showing region had very developed as in another government records.Key Words: District, People, Otoman Empire, Simav, Tahrir Defter.