Pulaski is a city in Giles County, Tennessee. The population was 7,870 at the 2010 census. It is the county seat of Giles County. It was named to honor the Polish-born American Revolutionary War hero Kazimierz Pułaski. Pulaski is most well known for being the birthplace of the Ku Klux Klan. It is also home of the semi-annual Diana Singing, sponsored by the Churches of Christ, which attracts over 3,000 people to the town in June and September.