I got bored and decided to type in "the planet nirn" on google. I found 2 maps showing the same thing:
http://images2.wikia.nocookie.net/__cb20120204181139/elderscrolls/es/images/3/3f/Nirn_edz.jpg
http://static.skyrim.nexusmods.com/images/2605078-1333478649.jpg

If these are real, then these are maps of the planet Nirn! It would be great if the next Tes or one after that goes to the continent to the right of Tamriel!

Fan made speculation

5. Are there other continents apart from Tamriel?

It is generally agreed that there are, or have been, five continents besides Tamriel.

• Akavir - home to a wide variety of demon and beast races, many of whom have designs on Tamriel. This large continent is east of Tamriel.
  
• Atmora - harsh and frozen homeland of Atmoran humans, the persisting ancestors of both Nords and Cyrodiils. This land lies to the north of Tamriel.
  
• Pyandonea - home of the Maormer or Tropical Elves. This is a land far to the south of the Summurset Isles, the most southern territory of Tamriel.
  
• Thras - domain of the Sload race. Sometimes described as 'the coral kingdoms', this land is said to have risen out of the Abecean sea between Tamriel and Yokuda. History records that this land was razed by the All Flags Navy of Tamriel, in retribution for the Thrassian Plague unleashed by Sload in 1E2200. Whether it continues to exist in the Third Era is disputed.
  
• Yokuda - continent from which the Redguard race originated. It was somewhere west of Tamriel before the Redguard apparently destroyed most of it during the First Era, although traces of the continent still appear on maps dating from the end of the Second Era.

You can learn more about these other continents from the game books,

http://www.imperial-library.info/mwbooks/mysterious_akavir.shtml

http://www.imperial-library.info/pge/wildregions.shtml.

I want to go to Akavir so badly now!! The beast races look so cool! And even if it is fan made, it gives us an idea of the layout of the planet.

I am so tired of this map. Let's go through everything that's wrong with it:

We don't know what Atmora looks like, we don't know what Akavir looks like, Aldmeris may not even exist as a separate continent, and the only idea we have of Pyandonea's geography is http://i1140.photobucket.com/albums/n578/dontforgetthis6/Nirn%20Maps/Screenshot2011-08-31at85932AM.png (ignore the random arrows, except to note that the specific smudge is the one beneath the head of the "The equator?" arrow).

It doesn't give us an idea of the layout of the planet, because we already know the layout of the planet from the directions given in lore. This map does not add anything special, other than to point out that there are [big whopping continents you should know about] other than Tamriel.

I always wondered why we were constrained to Tamriel

Hello mr Critic

Its the Starry Heart of Nirn