Mahanabad (, also Romanized as MahÃÂnÃÂbÃÂd; also known as MahÃÂn, MoḩammadabÃÂbÃÂd, and MoḩammadÃÂbÃÂd) is a village in Sarab Rural District, Giyan District, Nahavand County, Hamadan Province, Iran. At the 2006 census, its population was 418, in 104 families.