}}[[Image:Tam-Maps-West_Tamriel.jpg|thumb|right|The only known map showing some sections of Nirn outside of Tamriel]]</noinclude>

{{Lore Link|Nirn}} (believed to mean 'Arena' in [[Lore:Ehlnofex Languages|Ehlnofex]]) is the planet on which the Elder Scrolls is set. It floats in the void of [[Lore:Oblivion|Oblivion]] and is, for all intents and purposes, the majority of the realm known as [[Lore:Mundus|Mundus]].{{ref|name=PGE3AS|{{Cite book|PGE|3|Arena Supermundus}}}} Sources often use the terms Nirn and Mundus synonymously, despite the technical differences in the two terms. Nirn was created during the [[Lore:Dawn Era|Dawn Era]] by the [[Lore:Aedra|Aedra]] and [[Lore:Anu|Anu]]-aligned spirits, based on [[Lore:Lorkhan|Lorkhan]]'s inspiration{{ref|name=SNGM|{{Cite book|Spirit of Nirn, God of Mortals}}}} and [[Lore:Magnus (god)|Magnus]]' designs.{{ref|name=VFE|{{Cite book|Varieties of Faith in the Empire}}}}{{ref|name=TM|{{Cite book|The Monomyth}}}}<noinclude>