Please answer the following question: Formulate an answer to this elaborate question: Junagadh  is the headquarters of Junagadh district, in the Indian state of Gujarat, an alternate etymology gives the name as coming from "Yonagadh", literally "City of the Yona (Greeks)," referring to the ancient inhabitants of the city under the Indo-Greek Kingdom, was a Hellenistic kingdom covering various parts of the northwest regions of which location?
A:
South Asia