Great Houses

The Great Houses are the richest, most powerful houses in Westeros. They are the Lords Paramount of their respective region and rule in their own castle. They swear fealty only to the King on the Iron Throne, which is currenly King Jasen I of House Castor.

The Great Houses

 * House Arryn rules The Vale of Arryn from their castle The Eyrie.
 * House Basten rules The North from their castle Winterfell.
 * House Brook formerly ruled The Riverlands from their castle Riverrun.
 * House Castor rules The Westerlands from their castle Casterly Rock.
 * Their cadet branch, House Castor of King's Landing rules The Crownlands from the city King's Landing. The current Royal House.
 * House Haryn rules the The Riverlands from their castle Harrenhal.
 * House Jor rules The Iron Islands from the castle Pyke.
 * House Kentwood rules The Stormlands from the castle Storm's End.
 * House Rushing rules The Reach from the castle Highgarden.
 * House Sypher rules Dorne from the castle Sunspear.