Columbus/kəˈlʌmbəs/ is a city in and the county seat of Bartholomew County, Indiana, United States. The population was 44,061 at the 2010 census. In its built environment, the relatively small city has provided a unique place for noted Modern architecture. Located about 40 miles (64 km) south of Indianapolis, on the east fork of the White River, it is the state's 20th largest city. It is also the principal city of the Columbus, Indiana metropolitan statistical area, which encompasses all of Bartholomew County.
National Geographic Traveler ranked Columbus 11th on its historic destinations list in late 2008, describing the city as "authentic, unique, and unspoiled." Columbus won the national contest "America in Bloom" in 2006, and in 2004 it was named one of "The Ten Most Playful Towns" by Nick Jr. Family Magazine. The July 2005 edition of GQ magazine named Columbus one of the "62 Reasons to Love Your Country". Columbus is the headquarters of the engine company Cummins, Inc.