Vibo Valentia is a province in the region of Calabria in Italy . The Province of Vibo Valentia is a province in the Calabria region of Italy , set up by a national law of 6 March 1992 which came into effect on 1 January 1996 , and formerly part of the Province of Catanzaro . Its capital is the city of Vibo Valentia and its vehicle licence plate code is VV .