Joshua 1:4

1:4 Your territory will extend from the wilderness in the south to Lebanon in the north. It will extend all the way to the great River Euphrates in the east (including all of Syria) and all the way to the Mediterranean Sea in the west.

Joshua 11:4

11:4 These kings came out with their armies; they were as numerous as the sand on the seashore and had a large number of horses and chariots.

Joshua 15:5

15:5 The eastern border was the Salt Sea to the mouth of the Jordan River.

The northern border started north of the Salt Sea at the mouth of the Jordan,