Zirkuh County (Persian: شهرستان زيركوه) is in South Khorasan province, Iran.

[3] In 2013, Zirkuh and Zohan Districts were separated from Qaen County in the establishment of Zirkuh County, which was divided into three districts of two rural districts each, with Hajjiabad as its capital.

[3] After the 2016 National Census, the village of Abiz-e Jadid was elevated to the status of a city.

[4] At the time of the 2016 census, the county's population was 40,155 in 11,178 households.

[2] Zirkuh County's population and administrative structure are shown in the following table.. Media related to Zirkuh County at Wikimedia Commons