Deuteronomy 3:13

Overview - Deuteronomy 3
The conquest of Og, king of Bashan.
11 The size of his bed.
12 The distribution of his lands to the two tribes and half.
23 Moses prays to enter into the land.
26 He is permitted to see it.
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Deuteronomy 3:13  (King James Version)
And the rest of Gilead, and all Bashan, being the kingdom of Og, gave I unto the half tribe of Manasseh; all the region of Argob, with all Bashan, which was called the land of giants.

the rest
Numbers 32:39-42 ; Joshua 13:29-32 ; 1 Chronicles 5:23-26

which was called
Michaelis says, "The tradition that giants formerly dwelt in this part, still remains in Arabia, only that it makes them rather taller than Moses does Og, and calls the land in which they lived, not Bashan, but Hadrach, which name occurs in Zechariah 9:1 . I received this information from the verbal communication of a credible Arab, who was born on the other side of Jordan, about three-days journey from Damascus."