Jandaq

Jandaq is a city in the Central District of Khur and Biabanak County, Isfahan province, Iran, serving as the administrative center for Jandaq Rural District.

At the 2006 census, its population was 3,958 in 1,162 households, when it was in the former Khur and Biabanak District of Nain County. The following census in 2011 counted 4,472 people in 1,319 households, by which time the district had been separated from the county in the establishment of Khur and Biabanak County. The latest census in 2016 showed a population of 4,665 people in 1,477 households.

The monuments of Jandaq include Jandaq Castle (or Fortress of Ardbil), which seems to date back to the Sasanian Empire, and which is known as the prison of Khosrow Anushirvān.