In Norse mythology, Náströnd ("Corpse Shore") is a place in Hel where Níðhöggr lives and chews on corpses. It is the afterlife for those guilty of murder, and severe oath-breaking.
Á Náströndum er mikill salr ok illr, ok horfa í norðr dyrr, hann er ok ofinn allr ormahryggjum sem vandahús, en ormahöfuð öll vitu inn í húsit ok blása eitri, svá at eptir salnum renna eitrár, ok vaða þær ár eiðrofar ok morðvargar, svá sem hér segir:
Sal veit ek standa
sólu fjarri
Náströndu á,
norðr horfa dyrr.
Falla eitrdropar
inn of ljóra.
Sá er undinn salr
orma hryggjum.
Skulu þar vaða
þunga strauma
menn meinsvara
ok morðvargar.
En í Hvergelmi er verst:
Þar kvelr Níðhöggr
nái framgengna. Gylfaginning 52, EB's edition
On Nástrand [Strand of the Dead] is a great hall and evil, and its doors face to the north: it is all woven of serpent-backs like a wattle-house; and all the snake-heads turn into the house and blow venom, so that along the hall run rivers of venom; and they who have broken oaths, and murderers, wade those rivers, even as it says here: