Mia Thermopolis, the protagonist of the Princess Diaries book series and movies, is the princess of Genovia, a fictional European country located between France and Italy. Genovia is a principality ruled by Mias father, Prince Philippe Renaldi, and her grandmother, Dowager Princess Clarisse Renaldi. Mia is the daughter of Helen Thermopolis, a painter, and Philippe Renaldo, the crown prince of Genovia. In the movies, Mia is portrayed by Anne Hathaway and lives in San Francisco instead of New York.