Board Thread:General Discussion/@comment-9933564-20140420134307/@comment-107.217.178.122-20140429053355

Alduin ruled all of Atmora, and Skyrim. The Dragons fled in fear of the Tsaesci, so they obviously had no control over Akavir. The fact that they're never mentioned by the Ayleids, so I doubt he ruled Cyrodiil.