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San Floriano del Collio Števerjan  | 
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| Comune | |
| Comune di San Floriano del Collio | |
| Location of San Floriano del Collio in Italy | |
| Coordinates: 45°59′N 13°35′E / 45.983°N 13.583°ECoordinates: 45°59′N 13°35′E / 45.983°N 13.583°E | |
| Country | Italy | 
| Region | Friuli-Venezia Giulia | 
| Province / Metropolitan city | Province of Gorizia (GO) | 
| Frazioni | Bukouje, Giasbana, Uclanzi, Scedina, Valerisce | 
| Government | |
| • Mayor | Franca Padovan | 
| Area | |
| • Total | 10.6 km2 (4.1 sq mi) | 
| Elevation | 276 m (906 ft) | 
| Population (Dec. 2004) | |
| • Total | 807 | 
| • Density | 76/km2 (200/sq mi) | 
| Time zone | CET (UTC+1) | 
| • Summer (DST) | CEST (UTC+2) | 
| Postal code | 34070 | 
| Dialing code | 0481 | 
San Floriano del Collio (Slovene: Števerjan) is a comune (municipality) in the Province of Gorizia in the Italian region Friuli-Venezia Giulia, located about 40 kilometres (25 mi) northwest of Trieste and about 6 kilometres (4 mi) 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, Ščedno/Scedina, Bukovje/Bucuie, Valerišče/Valerisce, Jazbine/Giasbana, Aščevo/Asci, Križišče/Bivio, and Sovenca/Sovenza. As of 31 December 2004[update], it had a population of 807 and an area of 10.6 square kilometres (4.1 sq mi).
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.