Karacabey is a town and district of Bursa Province in the Marmara region of Turkey. It is located just west of the Simav River near its confluence with the .Karacabey is an industrial area as well as an agricultural one. It is known as the plantation area of a special variety of onions. There are many famous food factories around Karacabey such as Nestle and many varieties of vegetables and fruits are planted in Karacabey. There is a lake near it called Uluabat. The Marmara Sea is 32 km north.