Montarioso
Frazione
Montarioso Location of Montarioso in Italy
Coordinates: 43°20′59″N 11°18′35″E / 43.34972°N 11.30972°E / 43.34972; 11.30972
Country	Italy
Region	Tuscany
Province	Siena (SI)
Comune	Monteriggioni
Elevation	354 m (1,161 ft)
Time zone	UTC+1 (CET)
• Summer (DST)	UTC+2 (CEST)

Montarioso is a province in Tuscany, central Italy, administratively a frazione of the comune of Monteriggioni, province of Siena.

Montarioso is about 5 km from Siena and 13 km from Monteriggioni. Montarioso is often still known today as a part of Belverde.

Transportation is available to Montarioso serviced by Autolinee Toscane

• Santa Maria Maddalena a Santonovo (12th century)^[1]

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