The Houses of Westeros are noble families that play a central role in the political landscape of George R.R. Martin's series, "A Song of Ice and Fire." Each house has its own sigil, motto, and unique characteristics, often tied to their ancestral lands. Major houses include House Stark, known for their honor and loyalty, and House Lannister, famous for their wealth and cunning. These houses often engage in alliances and rivalries, influencing the power dynamics of the Seven Kingdoms. The struggle for the Iron Throne drives much of the conflict, as various houses vie for control and dominance over Westeros.