an Entity references as follows:
Qayen (Persian: قائن, also Romanized as Ghayen, Qaen or Ghaen; from Middle Persian: kʾyyn Kāyēn) is a city in and the capital of Qaen County, in South Khorasan Province, Iran. The population at the 2006 census, was 32,474 in 8,492 families.