Esfarayen (Persian: اسفراین, also Romanized as Esfarāyen; formerly, Meyanābād, Mīānābād, and Mīyānābād) is a city in and the capital of
Esfarayen County,
North Khorasan Province in
Iran.
At the 2006 census its population was 51,321, in 13,376 families.
Esfarayen is one of the focal points
...see more for residence of Aryan tribes after entering into Iran.
Reference: www.wikipedia.org