Kosmati () is a village and a community of the Grevena municipality. Before the 2011 local government reform it was a part of the municipality of Theodoros Ziakas, of which it was a municipal district. The 2011 census recorded 134 residents in the village. The community of Kosmati covers an area of 15.648 km2. See also List of settlements in the Grevena regional unit References Populated places in Grevena (regional unit)