20231117 11425500 1.0 TRUE DSD Service Delivery Areas The Department of Social Development's Service Delivery Areas.There are 45 Service Delivery Areas (SDAs) across the Western Cape. (Attribute table has 46 records because Robben Island is included as a polygon, but technically it is part of another SDA.) Publication Date: 10 November 2018 Population Unit, Directorate Research, Population and Knowledge Management, Department of Social Development (DSD)