Gravia (Greek: Γραβιά) is a village and a former municipality in the northeastern part of Phocis, Greece. Since the 2011 local government reform it is part of the municipality Delphi, of which it is a municipal unit. In 2001 its population was 897 for the village and 2,975 for the municipality. The municipal unit Gravia is situated in the foothills of the mountains Giona and Parnassus. The northeastern part of the municipal unit covers the western end of the wide valley of the river Cephissus. There are farmlands in the valley. The municipal unit borders Phthiotis to the north and northeast. The Greek National Road 27 connects Gravia with Itea, Amfissa and Lamia. Gravia is located south of Lamia, northwest of Livadia and north of Amfissa and Itea.