Chi Thanh town is the political, economic, cultural and social center of Tuy An district, located on the intersection of National Highway I, the North-South railway, with Provincial Road DT641 running through it and is 30 kilometers north of Tuy Hoa city. The north borders An Dan commune; the west borders An Dinh and An Linh communes; the south borders An Hiep commune; the east borders An Thach and An Cu communes