George R.R. Martin's Westeros is a fictional continent featured in his series of epic fantasy novels, primarily "A Song of Ice and Fire." It is divided into several regions, each ruled by noble families, with the Iron Throne located in the capital, King's Landing. The landscape includes diverse environments, from the icy North to the arid Dorne. Westeros is known for its complex political intrigue, battles, and the struggle for power among the Great Houses, such as House Stark and House Lannister. The continent is also home to mythical creatures, including dragons and White Walkers, which add to the rich lore and tension within the story.