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Heliopolis (ancient Egypt)

Ancient Egyptian city located in present-day Ayn Shams, Cairo

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Obelisk of Senusret I, el-Matariya, Cairo, Egypt
Roland Unger · CC BY-SA 3.0

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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.

A major surviving remnant of Heliopolis is the obelisk of the Temple of Ra-Atum erected by Senusret I of the Twelfth Dynasty. It remains in its original position (now in el-Masalla, El Matareya). The 21 m (69 ft) high red granite obelisk weighs 120 tons (240,000 lbs) and is believed to be the oldest surviving obelisk in the world.

Other obelisks originating in Heliopolis were taken by the Romans after their conquest of Egypt. The taller 25 m (82 ft) Vatican obelisk, was taken by Emperor Caligula, and now stands in St. Peter's Square, the only ancient obelisk in Rome never to have fallen. Emperor Augustus took the Obelisk of Montecitorio from Heliopolis to Rome, where it remains.

Two smaller obelisks called Cleopatra's Needles, now in London and New York, were also originally from Heliopolis.

Names

Heliopolis is the Latinised form of the Greek name Hēlioúpolis (Ἡλιούπολις), meaning "City of the Sun". The Egyptian gods Ra and Atum, whose principal cult was located in the city, were interpreted by ancient Greeks as, and thus identified with, Helios, the personified and deified form of the sun.

Its traditional Egyptological transcription is Iunu. Its native name was iwnw "The Pillars". The exact pronunciation is uncertain because ancient Egyptian recorded only consonantal values.

Some scholars reconstruct its pronunciation in earlier Egyptian as *ʔa:wnu, perhaps from older /ja:wunaw/. Variant transcriptions include Awnu and Annu. The name survived as Coptic ⲱⲛ Ōn.

The city is called "House of Ra" in the Pyramid Texts, which date to the Old Kingdom of Egypt.

It appears as ʾOn (Biblical Hebrew: אֹן) in Genesis 41:45 and 50 and ʾĀwen (אָוֶן) in Ezekiel 30:17 and Amos 1:5 (apparently Baalbek). This later form would be the expected form in pausa, but perhaps is a play on awen "idolatry."

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