The Qutb complex (Hindi: क़ुतुब, Urdu: قطب‎), also spelled Qutab or Qutub, is an array of monuments and buildings at Mehrauli in Delhi, India. The best-known structure in the complex is the Qutb Minar, built to honor the Sufi saint Qutbuddin Bakhtiar Kaki. Its foundation was laid by Qutb-ud-din Aibak, who later became the first Sultan of Delhi of the Mamluk dynasty. After the death of the viceroy, the Minar was added upon by his successor Iltutmish (a.k.a.