Why not "Saxonland" or "Angelosaxonland" (aside from being a mouthful) and why don't we refer to the people as the Angles or some other combination?
Some of this is discussed in the below post.
Why is England named after Angles and not after Saxons? https://www.reddit.com/r/AskHistorians/comments/25mdwi/why_is_england_named_after_angles_and_not_after/?ref=search_posts