Niðavellir
In Norse cosmology, Niðavellir (anglic. as Nidavellir; probable compound of O.N. Nið – "new moon", "the wane of the moon" (perhaps related to niðr – "down") + Vellir (pl. of völlr) – "fields": Dark Fields, Downward Fields), also called Myrkheimr (Myrkheimr, O.N. compd. of myrkr – "darkness" + heimr – "home": the world of darkness, Dark Abode), is the home of the Dwarves.