The city is framed by mountain ranges to the 'east' and west.
This summer has been unusually hot in 'the East'.
The ships sailed 'east'. [='easterly, eastward']
(..) It's the greatest armada Westeros has ever seen. With the Iron Fleet, you own the seas. You can defeat the invaders of the east and the pretenders of the north and south. What do you want in return? Ever since I was a little boy, I wanted to grow up and marry (..)2017 TvShow: Game of Thrones Title: Dragonstone Season: 7 Episode 1
(..) They have deep-water ports for the ships. Stannis left the castle unoccupied, and that's where she was born. Enemies to the east. Enemies to the south... Ellaria Sand and her brood of bitches. Enemies to the west... Olenna, the old cunt. (..)2017 TvShow: Game of Thrones Title: Dragonstone Season: 7 Episode 1