This ultimately led them to venerate hierarchy and scholarly pursuits, like in many depictions of elvenkind. They believed themselves to be the descendants of the Aedra and thus placed themselves above the other races, leading to the alternate name for the Altmer, the High Elves. The Altmer are the elves who stayed on Summerset Isle, developing a society and culture largely separate from the chaotic mainland. The Aldmer were the original elves, who spread out over Tamriel and eventually became the disparate elven races that are known so well today, including the Bosmer and the Dunmer.
Summerset Isle is the ancestral home of the Aldmer, and lies to the southwest of Tamriel's main landmass.