Girls' Generation is South Korean.
Girls ' Generation , also known as SNSD , is a South Korean girl group formed by S.M. Entertainment . Originally a nine-piece group ( with Jessica , who later departed from the group in September 2014 ) , Girls ' Generation debuted in 2007 with their Korean eponymous debut album . Girls ' Generation is the self-titled debut album by South Korean girl group Girls ' Generation . The Korean Wave ( , , a neologism literally meaning `` flow of Korea '' ) is the increase in global popularity of South Korean culture since the 1990s . Lion Heart is the fifth Korean language studio album recorded by South Korean girl group Girls ' Generation .