Called Asperah by Forster. From this description of the route, and the implied division of empire, it would appear that Shah-Rokh ruled over a very ample portion of the vast conquests of Timur, having under has command the countries of Iran and Touran; or Persia, Chorassan, Balkh, Kharism, Great Bucharia, and Fergaana; even including Samarkand, the imperial residence of Timur.