Analysis of information sources in references of the Wikipedia article "خراسان الكبرى" in Arabic language version.
In the early centuries of Islam, Khurasan generally included all the Muslim provinces east of the صحراء كوير. In this larger sense, it included Transoxiana, Sijistan and Quhistan. Its Central Asian boundary was the تكلامكان and the Pamirs, while its Indian boundary lay along the Hindu Kush toward India.
In the early centuries of Islam, Khurasan generally included all the Muslim provinces east of the صحراء كوير. In this larger sense, it included Transoxiana, Sijistan and Quhistan. Its Central Asian boundary was the تكلامكان and the Pamirs, while its Indian boundary lay along the Hindu Kush toward India.