Perryville is an unincorporated town in Decatur County, Tennessee  and one of the oldest towns in Decatur County. It is located on the Tennessee River, five miles east of Parsons. Founded in 1821, at one time it was the county seat of Perry County, Tennessee. 
- U.S. Geological Survey Geographic Names Information System: Perryville, Tennessee
- History of Tennessee from the Earliest Time to the Present. Southern Historical Press. 1886. p. 818.
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