Ratu Boko is an archaeological site known to modern Javanese as Kraton Ratu Boko or Ratu Boko's Palace. Ratu Boko is located on a plateau, about three kilometres south of Lara Jonggrang Prambanan temple complex in Yogyakarta Indonesia. The original name of this site is still unclear, however the local inhabitants named this site after King Boko, the legendary king mentioned in Loro Jonggrang folklore.