Statistics for occurrence #1 of “Heliopolis” in book 2, whiston section 2 of Flavius Josephus, Against Apion:

... I briefly take notice of what Apion adds upon that subject; for in his third book, which relates to the affairs of Egypt, he speaks thus: "I have heard of the ancient men of Egypt, that Moses was of Heliopolis , and that he thought himself obliged to follow the customs of his forefathers, and offered his prayers in the open air, towards the city walls; but that he reduced them all to be directed towards sun...
Max. Freq. Min. Freq.
Entity Corpus Doc Corpus Doc  
Heliopolis (Lebanon) 24 6 0 0 0 user votes
Heliopolis (Egypt) 22 0 0 0 0 user votes
Heliopolis (Rio de Janeiro, Brazil) 0 0 0 0 0 user votes

† This entity has been selected by the automated classifier as the most likely match in this context. It may or may not be the correct match.