Numbers 21:33

And they turned and went up by the way of Bashan: and Og the king of Bashan went out against them, he, and all his people, to the battle at Edrei.

They turned, and went up by the way of Bashan - a name given to that district from the richness of its soil (now Batanea or El Bottein); a hilly region east of the Jordan, lying between the mountains of Hermon on the north and those of Gilead on the south.

Og. [The Zuz-im, the Shas'u of the Egyptian monuments, who were the original inhabitants of this region, called themselves Huk-soos, 'Royal shepherds,' because Huk signifies a king, and Soos signifies a shepherd. Manetho alone has preserved the royal prefix, Huk, by which the ancient tribe distinguished its chief. This epithet, Uk, appears in Scripture as the title of the sovereign of Bashan; because the Hebrew, `Owg (H5747), Houg (Og), is a very fair attempt to imitate the native word which Manetho endeavours to render in Greek letters by Huk. It is evidently allied to the Egyptian Hak, a ruler, of which the reduplicate Agag, 'Agag (H90), of Amalek, may be taken as a variant (Courbaux).] Og belonged to the giant race of Rephaim; and he is represented by Josephus ('Antiquities,' b. 4:, ch. 5:, sec. 3) as the friend and ally of Sihon.

Edrei - his capital, a strongly fortified place, the reduction of which, considering the combined advantages it possessed of natural position and artificial defense, could not have been effected by the military prowess or skill of the Israelites without the favour and aid of heaven (see the note at Deuteronomy 3:1).