Indianapolis is in Central Indiana. It is the state capital and largest city of Indiana, United States, and is located in Marion County. The population within city limits is approximately 785,000 people, making it the 12th largest city in the US. The metropolitan area has about 1.7 million (37th in the US). Indianapolis is also known as the "Racing Capital of the World" due to the proximity of the Indianapolis Motor Speedway, home of the Indy 500 and Brickyard 400. The name Indianapolis is simply Indiana joined with polis, the Greek word for city. Indianapolis is called the "Crossroads of America". The city is warm in the summer, with average highs in the mid-80s in June, July, and August. Indianapolis has a typical mid-western winter. January is the coldest month, with an average high of 34 degrees. http://wikitravel.org/en/Indianapolis,_Indiana