User blog comment:Jimeee/Bethesda Games Studios: "Moving to our next adventure"/@comment-74.186.125.13-20130509013112/@comment-5469467-20130509075601

Too much of a technical hassle. Having the combined area of all Tamriel would make the game huge from a filesize perspective. Better to have it on a province-by-province basis, and have much more detail on each one and it's inhabitants.