Behold the holy Torah and Eretz Yisrael have a unique relationship. So too the Jewish people have a unique deep spiritual relationship to the land of Israel. This can be seen from the prophet Ezekiel (chapter 48) dividing up the land between the twelve tribes, granting each tribe the parcel of land best suited for its needs. This was accomplished by each tribe bordering the place from where the soul of his tribe emanates from. Thus each mitzvah performed in Eretz Yisrael ascends and adorns each of the borders in relationship to the soul of each tribe. In this way, the completeness of the soul is dependent upon which portion of land it dwells in. And the fulfillment of the land is dependent upon the souls that dwell there in accordance with its existence.
The essence of this is that Zion is the point of the original creation (Gemara Yoma 54b.) For, from that point the rest of the world unfolded. That point of course is associated with the Shechina. There are twelve boundaries emanating from that central point. They are the mystery of the measurements of the land and the sanctuary as recounted by the prophet Ezekiel (ch. 48). The Jews take shelter under the edges of the out-spread wings of the Shechina that extend to the entire border of Eretz Yisrael. Yet, just as the Shechina is not complete so long as the Holy Temple is incomplete, so too the Shechina is incomplete so long as Eretz Yisrael is not complete to the extent of its true borders, which are from the river of Egypt until the Euphrates. That completion is dependent upon its being inhabited by Jews, each according to the place that is most befitting him; this is because G-d had promised Abraham ten lands as an inheritance to his descendents.