Euron Greyjoy's armada owns
the Narrow Sea.
Game of Thrones Season 7, Episode 3
when she crosses the Narrow Sea.
Game of Thrones Season 4, Episode 5
Across the Narrow Sea, your books are
filled with words like "usurper"
Game of Thrones Season 4, Episode 6
We can still go across the Narrow Sea.
Game of Thrones Season 3, Episode 7
You already drank yourself
across the Narrow Sea.
Game of Thrones Season 5, Episode 1