From the wilderness and this Lebanon even unto the great river, the river Euphrates, all the land of the Hittites, and unto the great sea toward the going down of the sun, shall be your coast. From the wilderness and this Lebanon - Joshua appears to be standing with his face towards the promised land, and pointing out the different places, or their situation, with his hand, This Lebanon, etc. The utmost of their limits should be from the desert of Arabia Petraea on the South to Lebanon on the North: and from the Euphrates on the East to the Mediterranean Sea on the West. The Israelites did not possess the full extent of this grant till the days of David. See 2 Samuel 8:3, etc., and 2 Chronicles 9:26.
Land of the Hittites - These are generally reputed to have been the most hardy and warlike of all the Canaanitish nations; and as they occupied the mountainous countries on the south of the land of Canaan, it is natural to suppose that they would be the most difficult to subdue, and on this account, it is supposed, God particularly specifies these: "Ye shall subdue and possess even all the land of the Hittites," but it is probable that under this one term all the other nations are included, as it is certain they are in other places under the term Amorites. Great sea: The Mediterranean, called great in respect of the lakes in the land of Judea, such as the sea of Gennesareth, or the sea of Tiberias, and the Dead Sea, which were comparatively small lakes; but the Hebrews gave the name of sea, ים yam, to every large collection of waters.