Isar DistrictIsar District is in Marvast County, Yazd province, Iran. Its capital is the village of Korkhongan, whose population at the time of the 2016 National Census was 1,488 in 404 households.HistoryAfter the 2016 census, Marvast District was separated from Khatam County in the establishment of Marvast County and renamed the Central District. The new county was divided into two districts of two rural districts each, with Marvast as its capital and only city at the time.