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Early Islamic era

The armies of the Umayyad Caliphate under Qutayba ibn Muslim captured the city from the Tang dynasty c. 710 CE.

During this period, Samarkand was a diverse religious community and was home to a number of religions, including Zoroastrianism, Buddhism, Hinduism, Manichaeism, Judaism, and Nestorian Christianity, with most of the population following Zoroastrianism.

Qutayba generally did not settle Arabs in Central Asia; he forced the local rulers to pay him tribute but largely left them to their own devices. Samarkand was the major exception to this policy: Qutayba established an Arab garrison and Arab governmental administration in the city, its Zoroastrian fire temples were razed, and a mosque was built. Much of the city's population converted to Islam.

As a long-term result, Samarkand developed into a center of Islamic and Arabic learning. At the end of the 740s, a movement of those dissatisfied with the power of the Umayyads emerged in the Arab Caliphate, led by the Abbasid commander Abu Muslim, who, after the victory of the uprising, became the governor of Khorasan and Maverannahr (750–755). He chose Samarkand as his residence. His name is associated with the construction of a multi-kilometer defensive wall around the city and the palace.

Legend has it that during Abbasid rule, the secret of papermaking was obtained from two Chinese prisoners from the Battle of Talas in 751, which led to the foundation of the first paper mill in the Islamic world at Samarkand. The invention then spread to the rest of the Islamic world and thence to Europe.

Abbasid control of Samarkand soon dissipated and was replaced with that of the Samanids (875–999), though the Samanids were still nominal vassals of the Caliph during their control of Samarkand. Under Samanid rule the city became a capital of the Samanid dynasty and an even more important node of numerous trade routes. The Samanids were overthrown by the Karakhanids around 999. Over the next 200 years, Samarkand would be ruled by a succession of Turkic tribes, including the Seljuqs and the Khwarazmshahs.

The 10th-century Persian author Istakhri, who travelled in Transoxiana, provides a vivid description of the natural riches of the region he calls "Smarkandian Sogd":

I know no place in it or in Samarkand itself where if one ascends some elevated ground one does not see greenery and a pleasant place, and nowhere near it are mountains lacking in trees or a dusty steppe... Samakandian Sogd... eight days travel through unbroken greenery and gardens.... The greenery of the trees and sown land extends along both sides of the river... and beyond these fields is pasture for flocks. Every town and settlement has a fortress... It is the most fruitful of all the countries of Allah; in it are the best trees and fruits, in every home are gardens, cisterns and flowing water.