Joshua conquered the area from Kadesh-barnea to Gaza, and the whole region of Goshen as far as Gibeon.
Cross References
Numbers 32:8This is what your fathers did when I sent them from Kadesh-barnea to inspect the land.
Joshua 11:16So Joshua took this entire region: the hill country, all the Negev, all the land of Goshen, the western foothills, the Arabah, and the mountains of Israel and their foothills,
Joshua 15:51Goshen, Holon, and Giloh--eleven cities, along with their villages.
Treasury of Scripture
And Joshua smote them from Kadeshbarnea even to Gaza, and all the country of Goshen, even to Gibeon.
Kadesh-barnea
Joshua 14:6,7
Then the children of Judah came unto Joshua in Gilgal: and Caleb the son of Jephunneh the Kenezite said unto him, Thou knowest the thing that the LORD said unto Moses the man of God concerning me and thee in Kadeshbarnea…
Numbers 13:26
And they went and came to Moses, and to Aaron, and to all the congregation of the children of Israel, unto the wilderness of Paran, to Kadesh; and brought back word unto them, and unto all the congregation, and shewed them the fruit of the land.
Numbers 32:8
Thus did your fathers, when I sent them from Kadeshbarnea to see the land.
Gaza
Genesis 10:19
And the border of the Canaanites was from Sidon, as thou comest to Gerar, unto Gaza; as thou goest, unto Sodom, and Gomorrah, and Admah, and Zeboim, even unto Lasha.
Judges 16:1,21
Then went Samson to Gaza, and saw there an harlot, and went in unto her…
1 Samuel 6:17
And these are the golden emerods which the Philistines returned for a trespass offering unto the LORD; for Ashdod one, for Gaza one, for Askelon one, for Gath one, for Ekron one;
Joshua 11:16
So Joshua took all that land, the hills, and all the south country, and all the land of Goshen, and the valley, and the plain, and the mountain of Israel, and the valley of the same;
Joshua 15:51
And Goshen, and Holon, and Giloh; eleven cities with their villages:
Gibeon
Joshua 10:2,12
That they feared greatly, because Gibeon was a great city, as one of the royal cities, and because it was greater than Ai, and all the men thereof were mighty…
1 Kings 3:5
In Gibeon the LORD appeared to Solomon in a dream by night: and God said, Ask what I shall give thee.