The Citadel of Saladin, also known as the Cairo Citadel, is a historic Islamic fortification located in Cairo, Egypt. Built in the 12th century by Salah ad-Din (Saladin), it served as a military stronghold and a royal residence. The citadel features impressive architecture, including the Mosque of Muhammad Ali, which is a prominent landmark within its walls. The citadel played a crucial role in the defense of Cairo throughout the centuries. It has witnessed numerous battles and changes in power, making it a significant site in Egyptian history. Today, the citadel is a popular tourist destination, offering stunning views of the city and insights into its rich past.