Tate is an unincorporated community in Pickens County, Georgia, United States. The Georgia Marble Company and Tate Historic District in Tate is listed on the National Register of Historic Places. The historic district is centered on GA 53 between GA 5 and Long Swamp Creek.Tate's post office was originally called Marble Works by the United States Postal Service. The area was later known as Harnageville after Ambrose Harnage.