Indianapolis, colloquially known as Indy, is the state capital and most-populous city of the U.S. state of Indiana and the seat of Marion County. Indianapolis, the capital city of Indiana, sits at the center of the state. It is also the seat of Marion County.
It lies on the White River at its confluence with Fall Creek, near the centre of the state. The city is built on a level plain surrounded by low, gently sloping hills. It is a planned municipality, its layout resembling that of Washington, D.C., with radiating streets that converge on Monument Circle at the city centre.
The iconic American magazine The Saturday Evening Post is headquartered in Indianapolis.