San Floriano del Collio (; ) is a (municipality) in the Regional decentralization entity of Gorizia in the Italian region of 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.
San Floriano del Collio localities include Grojna/Groina, à  ÃÂedno/Scedina, Bukovje/Bucuie, Valerià ¡ÃÂe/Valerisce, Jazbine/Giasbana, Aà ¡ÃÂevo/Asci, Krià ¾ià ¡ÃÂe/Bivio, and Sovenca/Sovenza. , it had a population of 807 and an area of .
91.4% of the population were Slovenes according to the 1971 census. Most of the locals speak the Brda dialect of Slovene, which is traditionally present on the whole territory of the municipality.