The Encyclopedia of Arda - an interactive guide to the world of J.R.R. Tolkien
Dates II 750 - II 1697 (endured 947 years)
The far southeast of Eriador, directly to the west of Khazad-dûm
Mainly Noldor
The chief city of Eregion was Ost-in-Edhil
ere'gion (the 'g' is pronounced as in 'garden', not as in English 'region')
'(Land) of holly'
Other names


About this entry:

  • Updated 26 September 1999
  • Updates planned: 7


The realm of the Mírdain

Map of Eregion
Map of Eregion (somewhat conjectural)2
Map of Eregion (somewhat conjectural)2

A land of the Elves in the west of Middle-earth during the Second Age, famed for its smithwork and the friendship of its people with the Dwarves of nearby Khazad-dûm. The Elves of Eregion came under the influence of Sauron and unwittingly aided him in the making of the Rings of Power.



It would be natural to assume that Eregion was founded by Celebrimbor, the grandson of Fëanor, but Tolkien never explicitly states this. In the published works, his only definite comment on Eregion's foundation is from the appropriate entry in the Tale of Years (The Lord of the Rings Appendix B): '750 Eregion founded by the Noldor.' This is a curiously general statement: Celebrimbor's history is well developed in the book, and we would expect his name to appear here if he was Eregion's founder.

In Unfinished Tales of Númenor and Middle-earth, we glimpse a possible explanation. This makes it clear that, at least for a time, Tolkien considered Eregion to have been founded by Galadriel and Celeborn before they settled in Lórien. It isn't clear to what extent this should be taken as 'historical' fact, and it isn't completely consistent with the statement in The Lord of the Rings (because Celeborn wasn't of the Noldor), but it remains an interesting possibility.


The general geography of Eregion is well established, but less certain is the location of its capital of Ost-in-Edhil. We do know that there was a main road that ran from Khazad-dûm along the Sirannon, and indeed that this was the 'only road of old to Moria from the west' (The Fellowship of the Ring II 4, A Journey in the Dark). This road would, by implication, lead to Ost-in-Edhil, probably placing the city somewhere on the Sirannon, or possibly further west, somewhere on the banks of Glanduin.

It should be emphasised that we do not know the course of the high road for more than a few miles from the West-gate of Moria, and for all we know it may have suddenly changed direction and led off to some entirely different location. However, given the convenience of founding their city on a river, and the general direction of the road as far as we know it, it does seem most plausible that the Elves of Eregion built Ost-in-Edhil somewhere close to the point marked on the map.


About this entry:

  • Updated 26 September 1999
  • Updates planned: 7

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