Province of Gorizia
San Floriano del Collio (; ) is a "comune" (municipality) in the Province of Gorizia in the Italian region Friuli-Venezia Giulia, located about northwest of Trieste and about northwest of Gorizia, on the border with Slovenia, and borders the following municipalities: Brda (Slovenia), Capriva del Friuli, Cormons, Gorizia, Mossa.