an Entity references as follows:
Qaen County (Persian: شهرستان قائن, also Romanized as Ghayen) is located in South Khorasan province, Iran. The capital of the county is Qaen. At the 2006 census, the county's population (including those portions of the county later split off to form Zirkuh County) was 137,357, in 35,783 families.