The ethnic and territorial name "Soghd/Soghdian" or Sughd/Sughdian was mentioned in history as early as the Iranian Achaemenid Dynasty (6th century BC).
Nama etnis dan teritorial "Soghd/Soghdian" atau Sughd/Sughdian disebutkan dalam sejarah sebagai awal Dinasti Akhemeniyah Iran (abad ke-6 SM).