The city covers an area of , situated in the central part of the Split conurbation, north of Split, east of Kaštela, east of Trogir and south of Klis. Residential and business parts of the city are located in the middle part of the river's flow, and on the gentle slopes that make the Solin basin. Industrial areas occupy a small valley of the upper basin of the Jadro, as well as large areas to the west of the center, on the easternmost tip of the bay of Kaštela where industrial and service port is situated. The ruins of the ancient Salona are located in the middle, to the west of today center.