walled town, Puglia (Apulia) regione, southern Italy. The town's cathedral and the castle of the Orsini family are notable local monuments, and there are numerous cave dwellings in the locality. The town also has museums of local costumes and of archaeology and pottery. Local crops are chiefly cereals; there are limestone quarries in the neighbourhood. A distinctive breed of horses is associated with the Gravina area. Pop. (2006 est.) mun., 43,671.