During pre-Islamic and early Islamic times, Central Asia was inhabited predominantly by speakers of Iranian languages.C.E. Bosworth, "The Appearance of the Arabs in Central Asia under the Umayyads and the establishment of Islam", in History of Civilisations of Central Asia, Vol. IV: The Age of Achievement: AD 750 to the End of the Fifteenth Century, Part One: The Historical, Social and Economic Setting, edited by M. S. Asimov and C. E. Bosworth. Multiple History Series. Paris: UNESCO Publishing, 1998. excerpt from page 23: "Central Asia in the early seventh century, was ethnically, still largely an Iranian land whose people used various Middle Iranian languages. Among the ancient sedentary Iranian peoples, the Sogdians and Chorasmians played an important role, while Iranian peoples such as Scythians and the later on Alans lived a nomadic or semi-nomadic lifestyle.
During pre-Islamic and early Islamic times, Central Asia was inhabited predominantly by speakers of Iranian languages.C.E. Bosworth, "The Appearance of the Arabs in Central Asia under the Umayyads and the establishment of Islam", in History of Civilisations of Central Asia, Vol. IV: The Age of Achievement: AD 750 to the End of the Fifteenth Century, Part One: The Historical, Social and Economic Setting, edited by M. S. Asimov and C. E. Bosworth. Multiple History Series. Paris: UNESCO Publishing, 1998. excerpt from page 23: "Central Asia in the early seventh century, was ethnically, still largely an Iranian land whose people used various Middle Iranian languages. Among the ancient sedentary Iranian peoples, the Sogdians and Chorasmians played an important role, while Iranian peoples such as Scythians and the later on Alans lived a nomadic or semi-nomadic lifestyle.