The Yaghnobi language  is a living Eastern Iranian language (the other living members being Pashto , Ossetic and the Pamir languages ). Yaghnobi is spoken in the upper valley of the Yaghnob River in the Zarafshan area of Tajikistan by the Yaghnobi people . It is considered to be a direct descendant of Sogdian and has often been called Neo-Sogdian in academic literature. 
The Yaghnobi people ( Yaghnobi : yaγnōbī́t; Tajik : яғнобиҳо, yağnobiho/jaƣnoʙiho ) are an ethnic minority in Tajikistan . They inhabit Tajikistan's Sughd province in the valleys of the Yaghnob , Qul and Varzob rivers . The Yaghnobis are considered to be descendants of the Sogdian -speaking peoples  who once inhabited most of Central Asia beyond the Amu Darya River in what was ancient Sogdia .