Van Buren is the second-largest city in the Fort Smith, Arkansas–Oklahoma Metropolitan Statistical Area and the county seat of Crawford County, Arkansas, United States. The city is located directly northeast of Fort Smith at the Interstate 40 – Interstate 540 junction. The city was incorporated in 1845 and as of the 2020 census had a population of 23,218, ranking it as the state's 21st largest city.

The Fort Smith Metropolitan Statistical Area, as defined by the United States Census Bureau, is a five-county area including three Arkansas counties and two Oklahoma counties, and anchored by the city of Fort Smith, Arkansas. The total MSA population in 2000 was 273,170 people, estimated by the Bureau to have grown to 289,693 people by 2007.