Gülüstü Kadinefendi , Gülistan Münire Kadinefendi (or Gülistü), or Princess Fatma Chachba ( 1831 – May 1861) (Gülüstü, Gülistü meaning "Rose garden") was the wife of Sultan Abdülmecid I, and the mother of Mehmed VI and Mediha Sultan, Zekiye Sultan and Fehime Sultan of the Ottoman Empire.