Murad II Kodja or Amurathes II (June 1404, Amasya – 3 February 1451, Edirne) (Ottoman Turkish: مراد ثانى Murād-ı sānī, Turkish:II. Murat) was the Sultan of the Ottoman Empire from 1421 to 1451 (except for a period from 1444 to 1446 when his son Mehmed II reigned).