Resaca is a town in Gordon County, Georgia, United States, with unincorporated areas extending into Whitfield County. Resaca lies along the Oostanaula River. The population was 544 at the 2010 census. It is home to the Resaca Confederate Cemetery and a monastery.

Gordon County is a county located in the northwestern part of the U.S. state of Georgia. As of the 2020 census, the population was 57,544. The county seat is Calhoun. Gordon County comprises the Calhoun, GA Micropolitan Statistical Area, which is included in the Atlanta–Athens-Clarke County–Sandy Springs, GA-AL CSA.