The Atlanta Regional Commission (ARC) is the official planning agency for the 11-county Atlanta Region, including Cherokee, Clayton, Cobb, DeKalb, Douglas, Fayette, Forsyth, Fulton, Gwinnett, Henry, and Rockdale counties as well as the City of Atlanta and 74 other cities. The Atlanta Regional Commission’s mission is to foster thriving communities for all within the Atlanta region through collaborative, data-informed planning and investments.