Game of Thrones is a fantasy drama series based on the book series A Song of Ice and Fire by George R.R. Martin. Set in the fictional continents of Westeros and Essos, the show follows the power struggles, political machinations, and epic battles among noble families vying for control of the Iron Throne. With its intricate plotlines, complex characters, and shocking twists, Game of Thrones became a cultural phenomenon and one of the most-watched television series of all time.