Some of the cities, towns, and places in Preble County are Brennersville, Brinley, Browns, Camden, Campbellstown, Cedar Springs, College Corner, Dadsville, Dixon, Eaton, Ebenezer, Eldorado, Enterprise, Fairhaven, Gasper, Gettysburg, Gratis, Greenbush, Hamburg, Harrison, Ingomar, Israel, Jackson, Jefferson, Lake Lakengren, Lanier, Lewisburg, Monroe, Morning Sun, Muttonville, New Hope, New Lexington, New Paris, New Westville, Oklahoma, Sampleville, Somers, Sugar Valley, Talawanda Springs, Twin, Verona, Washington, West Alexandria, West Elkton, West Florence, West Manchester, West Sonora, Wheatville
Preble County is a county located in the U.S. state of Ohio. As of the 2010 census, the population was 42,270. Its county seat is Eaton. The county was formed on February 15, 1808 from portions of Butler and Montgomery Counties. It is named for Edward Preble, a naval officer who fought in the American Revolutionary War and against the Barbary Pirates.