They say the Citadel
has the largest library in the world.
Game of Thrones Season 5, Episode 5
In the Citadel,
we lead different lives
Game of Thrones Season 7, Episode 1
A raven came from the Citadel.
Game of Thrones Season 6, Episode 10
I stole a considerable number
of books from the Citadel library,
Game of Thrones Season 8, Episode 2
but everyone in the Citadel,
Game of Thrones Season 7, Episode 1