Heliopolis
/ˌhiːlɪˈɒpəlɪs
/1An ancient Egyptian city situated near the apex of the Nile delta at what is now Cairo. It was the original site of the obelisks known as Cleopatra’s Needles.
2 ancient Greek name for Baalbek.
Origin
From Greek hēlios 'sun' + polis 'city'.