Tehran historically was known as Ray which is
etymologically connected to the Old Persian and Avesta Rhaga. The
city was a major area of the Iranian speaking Medes and Achaemenids. In the
Zoroastrian Avesta, Widewdat, i, 15, Ragha is mentioned as the twelfth
sacred place created by Ahura-Mazda. In the Old Persianinscriptions
(Behistun 2, 10–18), Ragha appears as a province. From Ragha, Darius the
Great sent reinforcements to his father Wishtaspa, who was putting down
the rebellion in Parthia (Behistun 3, 1–10). Damavand mountain
located
