Casterly Rock

Seat of House Lannister, ruled by Jason Lannister during the Dance of the Dragons.

Casterly Rock, a stronghold carved from a mountain overlooking the harbor city of Lannisport and the sea beyond, is the ancestral seat of House Lannister. During the era depicted in House of the Dragon, specifically around the events leading to the Dance of the Dragons, the fortress is ruled by Jason Lannister. He holds the titles of Lord of Casterly Rock, head of House Lannister, and Warden of the West.

Quick Facts

Ruling house: House Lannister

Lore & Background

Jason Lannister is an arrogant hunter and warrior. His personal history during this period includes an unsuccessful attempt to win Rhaenyra Targaryen's hand in marriage, marking him as a participant in the political maneuverings preceding the civil war.

Reader's Guide

Visitors to Casterly Rock during the series' timeframe would encounter Lord Jason Lannister as the ruling authority. He is noted for being an arrogant hunter and warrior. He takes part in the Royal Hunt and vies unsuccessfully for Rhaenyra's hand; in season 3 he leads the Lannister forces that Daemon's host of Rivermen fights in the Riverlands.

Did You Know?

Jason Lannister serves as the Lord of Casterly Rock, head of House Lannister, and Warden of the West during seasons 1 through 3.
Jason Lannister has an identical twin brother named Tyland Lannister, who is described as a cunning politician.