There is one place named Grefa in Chad.
All places in the world called "Grefa".
Bara (8)Kaba (6)Kara (6)Ngara (6)Am Djéména (6)Mouray (6)Am Habilé (5)Koutou (5)Manda (5)Ardébé (5)Manga (4)Karoua (4)Mbo (4)Harazé (4)Méré (4)Gara (4)Djimez (4)Kouma (4)Goré (4)Ouala (4)Béré (4)Bardé (4)Djimezé (4)Gouri (4)Koumi (3)Lara (3)Galis (3)Golé (3)Nia (3)Bémia (3)