Mandarabad or Mender Abad (Persian: مندراباد, also Romanized as Mandarābād; formerly, Mohammadabad (Persian: محمّدآباد), also Romanized as Moḩammadābād) is a village in Shal District, Buin Zahra County, Qazvin Province, Iran. At the 2006 census its population was 485, in 121 families.