The Tengmalm's Owl is rare in Grece, occuring in only a few localities: Mt. Oiti, nearby Mt. Parnassos, Mt. Olympus, Mt. Grammos and the Rodopi massif.
Conservation of priority forests and forest openings in "Ethnikos Drymos Oitis" and "Oros Kallidromo" of Sterea Ellada, LIFE11 NAT/GR/1014