Seyhan district, located west of Seyhan River, is the cultural and business center of the city. D-400 state road (also called Turhan Cemal Beriker Boulevard within the city limits) divides the district into north and south. Seyhan's north of D-400, is economically the most developed part of the city. Hotels, cultural centers, commercial and public buildings line up along D-400. Old town, located south of D-400, is the market place where traditional and modern shops serve the residents. South of the old town is a low-income residential area.