A wilderness southwest of Palestine
And the angel of the Lord found her by a fountain of water in the wilderness, by the fountain in the way to Shur. (Genesis 16:7)
And Abraham journeyed from thence toward the south country, and dwelled between Kadesh and Shur, and sojourned in Gerar. (Genesis 20:1)
And they dwelt from Havilah unto Shur, that is before Egypt, as thou goest toward Assyria: and he died in the presence of all his brethren. (Genesis 25:18)
So Moses brought Israel from the Red sea, and they went out into the wilderness of Shur; and they went three days in the wilderness, and found no water. (Exodus 15:22)
And Saul smote the Amalekites from Havilah until thou comest to Shur, that is over against Egypt. (1 Samuel 15:7)
And David and his men went up, and invaded the Geshurites, and the Gezrites, and the Amalekites: for those nations were of old the inhabitants of the land, as thou goest to Shur, even unto the land of Egypt. (1 Samuel 27:8)