The Green River is a 384-mile-long (618 km) tributary of the Ohio River that rises in Lincoln County in south central Kentucky. Tributaries of the Green River include the Barren River, the Nolin River, the Pond River and the Rough River. The river was named after Nathanael Greene, a general of the American Revolutionary War.

Lincoln County is a county located in south-central Kentucky. As of the 2020 census, the population was 24,275. Its county seat is Stanford. Lincoln County is part of the Danville, KY Micropolitan Statistical Area.