the capital and largest city of Indiana; a major commercial center in the country's heartland; site of an annual 500-mile automobile race
"Indianapolis serves as the state capital, a bustling commercial hub, and the famous home of the annual 500-mile car race."
The capital city of Indiana, United States and the county seat of Marion County, with which the city is consolidated.
"Indianapolis serves as both the state capital of Indiana and the consolidated county seat of Marion County."
The name Indianapolis combines the state of Indiana with the ancient Greek word polis, meaning "city-state." It was formed by adding this suffix directly to the state's name to designate it as a city within that region.