Glæsisvellir (Glittering Plains) was a location in Jotunheim in Norse mythology.
In Glæsisvellir could be found a location called Ódáinsakr, or Údáinsakr (lit.
The Eireks saga víðförla is about a man who searched for and found Údáinsakr.
In Gesta Danorum, Saxo Grammaticus makes a reference to Odainsaker as the place where the Scanian governor Fialler retired after having been attacked by the Danish king Wiglek: Fiallerum Scaniae praefectum exsilio adegit, quem ad locum, cui Undensakre nomen est, nostris ignotum populis concessisse est fama.
[3] This article relating to a Norse myth or legend is a stub.