Pulaski is a city in and the county seat of Giles County, which is located on the central-southern border of Tennessee, United States. The population was 8,397 at the 2020 census. It was named after Casimir Pulaski, a noted Polish-born soldier on the patriots side in the American Revolutionary War. In 1870 Martin Methodist College was founded in Pulaski for white students in the area.