Masjid Raya Medan or Masjid Raya Al Mashun is a mosque located in Medan, Indonesia. This mosque was built in 1906 and completed in 1909. At the beginning of its establishment, this mosque blends with the palace complex. Architectural style typical of the Middle East, India and Spain. The mosque is octagonal and has wings in the south, east, north and west. Masjid Raya Medan is a witness to the history of the greatness of the Malay Tribe owner of the Deli Sultanate (Medan City).