TT #65 · Parashas Noach · Sixth Aliyah · Passuk 10:7
The sons of Cush: Seba, Havilah, Sabtah, Raamah, and Sabteca; and the sons of Raamah: Sheba and Dedan.
Torah Temimah points to Rav Yosef (Yoma 10a) on the two Sabtahs.
E-Daf image — Yoma 10a (size=3)
English: “Sabtah… and Sabteca” — Rav Yosef taught: the inner district and the outer district; between one and the other is a hundred parasangs…
Custom (geographic identification of similar names).
The two similarly named places are distinguished as an inner and an outer district separated by a great distance.