Ascalon, Gaza, Negev and Sinai
116. Sobila - (Kh. al-Zubalah)
Shoval is supposed to be the name of a biblical place in this area, preserved on the Madaba Map in the form of Sobila (Swbila) and in Arabic, as Bir Zaballa. The name Shobal (Shoval) appears as a private name in I Chronicles 1,38, 40 and is connected with Bir Zaballa preserved by the Arabs.
Efraim Orni, Encyclopaedia Judaica, ad v. "Shoval"
Herbert Donner (The Mosaic Map of Madaba, Kampen 1992, 73)
This village is attested only on the Madaba map. It is identical with Hirbat az- Zubala, about 22 km west of ad-Dahariya and 23 km south of al-Faluja.
For more sources and bibliography see:
Tabula Imperii Romani. Iudaea - Palaestina (Jerusalem 1994) s.v. "Sobila", 234.
Map Section 9 Place Sources