Persian sources often treat them as a single tribe called the Saka (Sakai or Sakas), but Greek and Latin texts suggest that the Scythians were composed of many sub-groups.
Sumber-sumber Persia umumnya menyebut mereka sebagai satu suku tunggal bernama "Saka" (Sakai atau Sakas), namun sumber Yunani dan Latin menyebutkan bahwa bangsa Skithia terdiri atas banyak kelompok.