Because it is the first city established by the OttomanState it was called Yeniflehir (New City). Possessinga rich and fertile plain, Yeniflehir, becamethe first capital city of the Ottoman State in 1302.Because of this, Yeniflehir harbors numerous historicalmonuments and it is a district that is increasinglydeveloping. The most important source ofincome of the district is agriculture.In the recent years, many significant industrialplants have been set up in the district center. Airportof Bursa was constructed at Yeniflehir, 40 kmaway from Bursa.