Druid Hills is a community which includes both a census-designated place (CDP) in unincorporated DeKalb County, Georgia, United States, as well as a neighborhood of the city of Atlanta. The CDP's population was 14,568 at the 2010 census. The CDP formerly contained the main campus of Emory University and the Centers for Disease Control and Prevention (CDC); however, they were annexed by Atlanta in 2018. The Atlanta-city section of Druid Hills is one of Atlanta's most affluent neighborhoods with a mean household income in excess of $238,500.

DeKalb County is located in the north central portion of the U.S. state of Georgia. As of the 2020 census, the population was 764,382, making it Georgia's fourth-most populous county. Its county seat is Decatur.