1) Location in Norse mythology 
In Norse mythology, svartálfar (Old Norse `swart(hy){cn|date=July 2014} elves` or `black elves`, singular svartálfr) are beings who dwell in Svartálfaheimr (anglicized as Svartalfheim, `world of black-elves`). Both the svartálfar and Svartálfaheimr are primarily attested in the Prose Edda, written in the 13th century by Snorri Sturluson...