Pulaski is a city in Giles County, Tennessee, United States. The population was 7,871 at the 2000 census. It is the county seat of Giles County. Pulaski is most well known for being the birthplace of the Ku Klux Klan, although the city has condemned the Klan. It was named to honor the Polish-born American Revolutionary War hero Kazimierz Pułaski.