San Gemini

San Gemini
Comune di San Gemini
View of San Gemini
San Gemini
Location of San Gemini in Italy
San Gemini
San Gemini (Umbria)
Coordinates: 42°36′48″N 12°32′47″E / 42.613417°N 12.546393°E / 42.613417; 12.546393
CountryItaly
RegionUmbria
ProvinceTerni (TR)
Government
 • MayorLuciano Clementella
Area
 • Total
27.9 km2 (10.8 sq mi)
Elevation
337 m (1,106 ft)
Population
 (1 January 2025)
 • Total
4,628
 • Density166/km2 (430/sq mi)
DemonymSangeminesi
Time zoneUTC+1 (CET)
 • Summer (DST)UTC+2 (CEST)
Postal code
05029
Dialing code0744
Patron saintSan Gemine
Saint day9 October
WebsiteOfficial website

San Gemini is a comune (municipality) of in the province of Terni in the Italian region Umbria, located about 60 km south of Perugia and about 10 km northwest of Terni.

San Gemini borders the municipalities of Montecastrilli, Narni and Terni. It is one of I Borghi più belli d'Italia ("The most beautiful villages of Italy").

The town is a well-preserved medieval burgh with two lines of walls, built along the old Via Flaminia. It is especially known for its mineral waters.