Home to Egypt’s most beautiful churches, some of which date back to the 4th century, such as Abu Serga and Mar Girguis Church, Coptic Cairo is an area rich in history. The Coptic Museum in this area is a great place to visit, where an array of medieval artifacts and textiles are on display. Coptic Cairo also holds the remains of the old fortress of Babylon, built to protect Egypt from enemy invasion. Additionally, it is home to the Ben Ezzra Synagogue, where once a thriving Egyptian-Jewish community resided .