Sebastian County is located in the state of Arkansas, in the United States. It is part of the Fort Smith metropolitan area and is known for its diverse landscape, which includes rivers, hills, and forests. The county seat is Greenwood, and it covers an area of approximately 1,000 square miles. The county was established in 1851 and is named after William K. Sebastian, a prominent politician. Sebastian County has a mix of urban and rural communities, with a population that includes a variety of cultural backgrounds. It offers recreational opportunities, including parks and outdoor activities, making it a vibrant place to live and visit.