The Seven Kingdoms is a fictional realm from the series A Song of Ice and Fire by George R.R. Martin. It consists of seven main regions: The North, The Vale, The Riverlands, The Westerlands, The Reach, Dorne, and The Stormlands. Each kingdom has its own unique culture, geography, and ruling houses, contributing to the complex political landscape of the series. The Seven Kingdoms are united under the Iron Throne, located in King's Landing. The realm is characterized by its feudal system, where noble families hold power over their lands. Key families include the Starks of the North and the Lannisters of the Westerlands, each playing significant roles in the ongoing struggles for power.