San Vincenzo is an Italian commune in the province of Livorno, region of Tuscany, located about 100 kilometres southwest of Florence and about 50 kilometres southeast of Livorno.
Walter Mazzarri, former manager of Watford F.C. was born in San Vincenzo in 1961.
Wikipedia https://en.wikipedia.org/wiki/San_Vincenzo,_Tuscany
Coordinates 43°6'2.502" N 10°32'19.649" E