Osmangazi, the center of social and economic relations for years, is in the crossroad of roads to İzmir, İstanbul and Eskişehir. Osmangazi is the biggest district of Bursa that is on the southwest coast of Marmara Sea. Gökdere River on the east, Nilüfer River and Mudanya Road on the west, Katırlı Mountains on the north, Uludağ and Kirazlı Plateau are the natural and artificial boundaries of the district.