The Brantley County Courthouse is a historic courthouse for Brantley County in Nahunta, Georgia. It was listed on the National Register of Historic Places on June 14, 1995. It is located at 117 Brantley Street.Hoboken, Georgia was Brantley County's original county seat and the county's first courthouse was built there in 1921, a year after the county's creation. In 1923 the legislature designated Nahunta as Brantley's county seat.