The Citadel of Qaitbay (or the Fort of Qaitbay) is a 15th-century defensive fortress located on the Mediterranean sea coast, in Alexandria, Egypt. It was established in 1477 AD (882 AH) by Sultan Al-Ashraf Sayf al-Din Qa'it Bay. The Citadel is situated on the eastern side of the northern tip of Pharos Island at the mouth of the Eastern Harbour.