Fatehpur Sikri is a palace complex in Uttar Pradesh, India built by the Mughal Emperor Akbar between 1571-1585. The complex includes several palaces, mosques, and other buildings spread across three plateaus, including the Jami Masjid mosque, Diwan-i-Amm public audience hall, Diwan-i-Khass private audience hall, Daulat Khana imperial quarters containing Akbar's library, and the five-story Panch Mahal structure. The buildings showcase the fusion of Hindu and Islamic architectural styles that characterized Mughal architecture.