The peoples of oasis city - states of Khotan and Kashgar spoke Saka , one of the Eastern Iranian languages , .
The people of Kucha and Turfan spoke the Tocharian language .
The peoples of oasis city - states of Khotan and Kashgar spoke Saka , one of the Eastern Iranian languages , whereas the people of Kucha and Turfan spoke the Tocharian language .