sentences:  It is part of the Fayetteville–Springdale–Rogers, AR-MO Metropolitan Statistical Area.This town is named after Commodore Stephen Decatur, Jr.
  
  Decatur is located in western Benton County at (36.337541, -94.456721).Arkansas Highway 59 passes through the city, leading north to Gravette and to the Missouri border, and south to Siloam Springs.