Sufeh Pir is a cave believe to be the tomb of Piran Viseh in the Kūh-Zibad mountain. He is a Turanian figure in Shahnameh, the national epic of Greater Iran. Beside Shahnameh, Piran is also mentioned in other sources such as Tabari and Tha'ālibī. He is the king of Khotan and the spahbed of Afrasiab, the king of Turan.