The Atlanta-Sandy Springs-Marietta, GA MSA, or metropolitan statistical area, is defined as a 28-county region by the Office of Management and Budget of the White House. The counties are Barrow, Bartow, Butts, Carroll, Cherokee, Clayton, Cobb, Coweta, Dawson, DeKalb, Douglas, Fayette, Forsyth, Fulton, Gwinnett, Haralson, Heard, Henry, Jasper, Lamar, Meriwether, Newton, Paulding, Pickens, Pike, Rockdale, Spalding and Walton. Map and list of counties/primary cities.