Sarpy county is located in eastern Nebraska, just south of the Omaha metro area (Douglas county). It is also adjacent to Pottawatomie county, Iowa where Council Bluffs is located. The county is named after Peter Sarpy, an early fur trader in the area. The county seat is located in Papillion. Other cities in the county are Bellevue, Gretna, LaVista and Springfield. Also located in Sarpy county is Offutt Air Force Base. Sarpy county was organized in 1857. Bellevue was the original county seat, Papillion has been the county seat since 1875.