Double Take - Game of Thrones Season 7 - Did the Trailer Confirm a New Setting?

You may have missed this -- the new Game of Thrones trailer hints at a totally new location. Where will it take place?
http://www.denofgeek.com/us/tv/game-of-thrones/265230/game-of-thrones-season-7-did-the-trailer-confirm-a-new-setting