There was Eru, the One, who in Arda is called Ilรบvatar; and he made first the Ainur, the Holy Ones, that were the offspring of his thought, and they were with him before aught else was made.
J. R. R. TolkienMiddle-earth is our world. I have (of course) placed the action in a purely imaginary (though not wholly impossible) period of antiquity, in which the shape of the continental masses was different.
J. R. R. Tolkien