Wilusa, (Hittite: 𒌷𒃾𒇻𒊭 URUwi5-lu-ša) or Wilusiya, was a major city of the late Bronze Age in western Anatolia. It was described in 13th century BC Hittite sources as being part of a confederation named Assuwa. Not all scholars have accepted the identification of Wilusa with Troy. There is an alternative hypothesis, for example, that Wilusa was located near Beycesultan, which was known in the Byzantine era as "Iluza" (Ἴλουζα). Wilusa per se is known from six references in Hittite sources, including: