The Princess Diaries is about a teenager named Mia Thermopolis who discovers she is the princess of Genovia, a small European country. The story follows Mia as she navigates her new identity and royal duties while still attending high school.

The Princess Diaries is a book by Meg Cabot. The story takes place in the 2000s and follows Mia throughout her freshman year of high school.

The Princess Diaries was adapted into a 2001 movie starring Anne Hathaway as Mia Thermopolis. The movie also stars Julie Andrews as Queen Clarisse Renaldi. The story explores themes of identity, responsibility, and the challenges of being a princess while still being a teenager. It also challenges traditional notions of what it means to be a princess. The story has been praised for its empowering message that an average girl can become a princess.