The Cavern Church has several names, such as Abu Serga Church, the St. Sergius Church, and Saints Sergius and Bacchus Church. It lies in Coptic Cairo beside the Hanging church.
The church is dedicated to Sergius and Bacchus, who were soldier-saints martyred during the 4th century in Syria by the Roman Emperor Maximian.
The Importance of Abu Serga Church In this place, there is the cave where the Holy family (the Virgin Mary and the Christ) hid during their journey in Egypt, fleeing Roman persecution. After that, the church was founded upon this cave because of its sanctity.