User blog comment:Jimeee/Bethesda Games Studios: "Moving to our next adventure"/@comment-189.134.106.42-20130527032410/@comment-24.211.64.39-20130527200900

It should be Summerset Isles because of the exact reasons you said. Also in the Skyrim loading screens, it says that the Isles are "shrouded in mystery". That makes me very curious