Gravina in Puglia
Gravina in Puglia (Italian: [ɡraˈviːna im ˈpuʎʎa]; Barese: Gravéine [ɡraˈviːnə, ɡraˈvejnə]; Latin: Silvium; Ancient Greek: Σιλούϊον, romanized: Siloúïon) is a town and comune (municipality) of the Metropolitan City of Bari, Apulia, southern Italy. The word gravina comes from the Latin grava or from the Messapic graba, with the meaning of 'rock', 'shaft' and 'erosion of bank river'.