where is prestonsburg ky
Prestonsburg, KY. Sponsored Topics. Prestonsburg is a city in and the county seat of Floyd County, Kentucky, United States. It lies in the eastern part of the state, along the banks of the Levisa Fork of the Big Sandy River. It was founded in 1797 by Col. John Prestonâfor whom it was namedâalong with Solomon Stratton, Matthias Harman and Andrew Hood.