Kordeh Deh, Ardabil

Kordeh Deh is a village in Ab-e Garm Rural District of the Central District of Sareyn County, Ardabil province, Iran.

At the 2006 census, its population was 833 in 175 households, when it was in the former Sareyn District of Ardabil County. The following census in 2011 counted 973 people in 279 households, by which time the district had been separated from the county in the establishment of Sareyn County. The latest census in 2016 showed a population of 1,077 people in 321 households. It was the most populous village in its rural district.