The Tower of David (Hebrew: מגדל דוד‎, Migdal David, Arabic: برج داود‎, Burj Daud), also known as the Jerusalem Citadel, is an ancient citadel located near the Jaffa Gate entrance to the Old City of Jerusalem.The citadel that stands today dates to the Mamluk and Ottoman periods. It was built on the site of an earlier ancient fortification of the Hasmonean, Herodian, Christian and Arab-Muslim eras, but was destroyed after the Mamluk conquest of Jerusalem.