Board Thread:Lore Discussion/@comment-86.176.138.119-20170324162657/@comment-86.176.138.119-20170324182244

As for where, I have no idea but I suspect the Aetherius or an Oblivion Realm.

You can meet Dwemer Ghosts in Morrowind but maybe that was one of Bethesda's lore breaks?

Looking out for a Dwemer return in TES 6, maybe in a dlc?