Humayun's tomb (Hindustani: "Maqbara-i Humayun") is the tomb of the Mughal Emperor Humayun in Delhi, India. The tomb was commissioned by Humayun's first wife and chief consort, Empress Bega Begum (also known as Haji Begum), in 1569-70, and designed by Mirak Mirza Ghiyas and his son, Sayyid Muhammad, Persian architects chosen by her. The tomb was declared a UNESCO World Heritage Site in 1993.