The Atlanta Regional Commission (ARC) is the regional planning and intergovernmental coordination agency for the 10-county area including Cherokee, Clayton, Cobb, DeKalb, Douglas, Fayette, Fulton, Gwinnett, Henry and Rockdale counties, as well as the City of Atlanta. For over 65 years, ARC and its predecessor agencies have helped to focus the region's leadership, attention and resources on key issues of regional consequence.