Heliopolis, Ancient Egypt

Heliopolis, aka the City of the Sun, was a major city of ancient Egypt. It was the capital of the Heliopolite or 13th Nome (province or district) of Lower Egypt and a major religious centre. Its site is within the boundaries of Ain Shams and El Matareya districts (kism) in northeastern Cairo. It was one of the oldest cities of ancient Egypt, occupied since prehistoric Egypt, it greatly expanded under the Old and Middle Kingdoms. Today it is mostly ruined, as its temples and other buildings having been scavenged for the construction of medieval Cairo. Most information about the ancient city comes from surviving records.