Deh-e Heydar, Hamadan

Deh-e Heydar (, also Romanized as Deh-e Ḩeydar, Deh Heidar, and Deh Ḩeydar) is a village in Gamasiyab Rural District, in the Central District of Nahavand County, Hamadan Province, Iran. At the 2006 census, its population was 674, in 181 families.