Aradan County (Persian: شهرستان آرادان) is in Semnan Province, Iran.

[3] After the 2011 National Census, Aradan District was separated from Garmsar County in the establishment of Aradan County, which was divided into two districts of two rural districts each,[4] with Aradan as its capital.

[3] At the time of the 2016 National Census, the county's population was 13,884 in 4,919 households.

[2] Aradan County's population and administrative structure are shown in the following table.

Media related to Aradan County at Wikimedia Commons Iran portal