From the record
“Andersonville Prison, located near Andersonville, Georgia, was a Confederate prisoner-of-war camp during the final fourteen months of the American Civil War. Most of the site lies in southwestern Macon County, adjacent to the east side of the town of Andersonville.”
Wikipedia article Andersonville Prison, CC BY-SA 4.0.
One of 17 National Register listings published here for Macon County · listed in 1970 · category: District · built in 1970.
Sources: the Wikipedia article · the case file at the National Archives · the National Register database, National Park Service