 The capital city of Oshrusana was Banjikat.The exact form of the Iranian name Osrušana is not clear from the sources, but the forms given in Hudud al-'alam, indicate an original *Sorušna.The rulers of the Oshrusana or Ustrushana (Istarawshan) went by the title of "Afshin", and the most famous of whom was Khedār (Arabicised "Haydar") b. Kāvūs.