Then the western region shall begin from the Great Sea, and the same shall be its end
Other versions
King James Version
And as for the western border, ye shall even have the great sea for a border: this shall be your west border.English Standard Version
"For the western border, you shall have the Great Sea and its coast. This shall be your western border.New International Version
"'Your western boundary will be the coast of the Great Sea. This will be your boundary on the west.