Rhagae

In historical sources also known as Rhages (), Rhagae, and Arsacia, Ray is the oldest existing city in Tehran province. In the classical era, it was a prominent city belonging to Media, the political and cultural base of the Medes. Ancient Persian inscriptions and the Avesta (Zoroastrianscriptures), among other sources, attest to the importance of ancient Ray. Ray is mentioned several times in the Apocrypha. It is also shown on the fourth-century Peutinger Map.