Khanate of Bukhara
The region was historically part of Khorasan province and was controlled by the Tahirids followed by the Saffarids, Samanids, Ghaznavids, Ghurids, Khwarazmshahs, Ilkhanates, Timurids, Khanate of Bukhara, and Saffavids until the early-18th century when it became part of the Afghan Hotaki dynasty followed by the Durrani Empire.