In Norse mythology, Éljúðnir (sometimes Anglicized to Eljudnir) is Hel's hall located in Niflheim as described in chapter 34 of Snorri Sturluson's Prose Edda in the book Gylfaginning. The name Éljúðnir is Old Norse and means "sprayed with snowstorms" or "damp with sleet or rain". The hall is only mentioned in this chapter.
Features
The hall is described as featuring a threshold that is actually a pitfall called Fallandaforad meaning "falling to peril", her bed called Kor meaning "sick bed" that has bed curtains called Blikjandabol which means "Gleaming Disaster".
References
Éljúðnir Wikipedia(Text) CC BY-SA