Afrasiab (Avestan: Fraŋrasyan; Pahlavi: Frāsiyāv, Frāsiyāk and Freangrāsyāk), is the name of the mythical King and hero of Turan and an archenemy of Iran. It is also the name of a city, referred to "Afrosiyob" in Uzbek and "Efrasiyab" in Turkish, in old Samarkand, the second-largest city of modern Uzbekistan. Wikipedia
The definitive Wikipedia entry for Afrasiab. Wikipedia is the biggest multilingual free-content encyclopedia on the Internet. en.wikipedia.org/wiki/Afrasiab