Kaštela is an agglomeration of seven small settlements in Croatia, located northwest of the city of Split, west of Solin and east of Trogir on the central Dalmatian coast. They are part of the Split – Dalmatia country and are administratively treated as a single city with a total population of 38,667 as of 2011 census – although they individually range in size from 3,000 to 7,000 residents.