The answer to the question is in the Bible---God's Holy Word:
Numbers 33:50 And the LORD said to Moses in the plains of Moab by the Jordan at Jericho, 51 "Say to the people of Israel, When you pass over the Jordan into the land of Canaan, 52 then you shall drive out all the inhabitants of the land from before you, and destroy all their figured stones, and destroy all their molten images, and demolish all their high places; 53 and you shall take possession of the land and settle in it, for I have given the land to you to possess it. 54 You shall inherit the land by lot according to your families; to a large tribe you shall give a large inheritance, and to a small tribe you shall give a small inheritance; wherever the lot falls to any man, that shall be his; according to the tribes of your fathers you shall inherit. 55 But if you do not drive out the inhabitants of the land from before you, then those of them whom you let remain shall be as pricks in your eyes and thorns in your sides, and they shall trouble you in the land where you dwell. 56 And I will do to you as I thought to do to them.As the above Bible verses clearly show, the land belongs to the children of Israel. God gave it to the Israelis, and it is theirs.
Note also that the solution to the PLO-Israeli conflict is also given---drive the Arabs out. Drive ALL of them out. God does not ask for this, but rather commands it. Unless and until this is done, the Arabs will continue to be pricks in the Israelis' eyes and thorns in their sides, and God also will fight against the Israelis for their disobedience.
Muslims will say that the Bible which Jews and Christians use, and from which the above passage of Scripture was taken, is a counterfeit. But that is obviously not so, for both Christians and Jews use the same Old Testament which predates Islam by hundreds of years. Would Judaism and Christianity, which disagree with each other, both counterfeit the Bible in exactly the same way? No way! I challenge any Muslim to show any Bible from which the "Bible quotes" found in the Quran originated. They cannot do it, because it is the Quran which is the counterfeit.
Israel owns the land.