Niflheim

Niflheim or Misthome, in the Norse mythology the primeval northern region of cold and darkness, in contrast with Muspelheim, or Brighthome, the primeval southern region of warmth and light, the two poles, as it were, of the Norse world.

Definition taken from The Nuttall Encyclopædia, edited by the Reverend James Wood (1907)

Niepee, Joseph Nicéphore * Niger
Nicholas II.
Nicholson, John
Nicobar Islands
Nicolaitans
Nicole, Pierre
Nicotine
Niebuhr, Barthold Georg
Niebuhr, Karsten
Niel, Adolphe
Niepee, Joseph Nicéphore
Niflheim
Niger
Nightingale, Florence
Nihilism
Nijni-Novgorod
Nile
Nilsson, Christine
Nimeguen
Nîmes
Nimrod
Nineveh