Gramos (Greek, Modern (1453-): Γράμος, Aromanian; Arumanian; Macedo-Romanian: Gramosta) is a community in the Kastoria Prefecture, Greece. Population 28 (2001). The village is an old Aromanian settlement, named after the nearby Gramos mountains in which are to the south. The population has been emigrating to larger towns and cities in Greece as well as outside the country since World War II and the Greek Civil War, much of the area are underpopulated and treacherous and the Pindus mountains blocks several roads from the other side, it has a road with Agros Orestiko (Hrupisti in Aromanian). It had the smallest population of any municipality or community in Greece at 28 inhabitants in the 2001 Greek census. It is also the least densely populated community or municipality in Greece, at 0.47 inhabitants/km² living on its land area of 59.422 km².