Game of Thrones Season 2, Episode 10

Far and away across the Narrow Sea to Braavos.

Game of Thrones Season 7, Episode 3

Euron Greyjoy's armada owns the Narrow Sea.

Game of Thrones Season 1, Episode 4

The Dothraki have never crossed the narrow sea.

Game of Thrones Season 3, Episode 2

stinking barbarians that would row across the Narrow Sea

Game of Thrones Season 5, Episode 4

Why did your ancestors cross the Narrow Sea and conquer the Seven Kingdoms?