Naperville is a city in DuPage and Will counties in the U.S. state of Illinois; it was voted the second-best place to live in the United States by "Money" magazine in 2006.
Naperville is a suburban city of Chicago, located in DuPage and Will counties in the U.S. state of Illinois. Naperville was voted the second-best place to live in the United States by "Money" magazine in 2006.