Arad, a titular see of Palestine, said to be identical with the eminence of Tell’ Arad on the way from Petra to Hebron (cf. Numbers, xxi, 1; Judges, i, 16). Its episcopal list is given in Lequien.
LEQUIEN, Oriens Christ. (1740), III, 777-780; SMITH, Dict. of Greek and Roman., I, s. v.