Valbuena de Duero, Spain
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Country	Spain
Autonomous community	Castile and León
Province	Valladolid
Municipality	Valbuena de Duero
Area
• Total	46 km2 (18 sq mi)
Population  (2025-01-01)[1]
• Total	385
• Density	8.4/km2 (22/sq mi)
Time zone	UTC+1 (CET)
• Summer (DST)	UTC+2 (CEST)

Valbuena de Duero is a municipality located in the province of Valladolid, Castile and León, Spain. According to the 2004 census (INE), the municipality has a population of 502 inhabitants. The Church of San Andrés, a beautiful Romanesque church dating back to the 13th century, is a notable landmark.

San Bernardo is a village within Valbuena de Duero municipality. It was founded in the 1950s by the Instituto Nacional de Colonización. Its inhabitants came from Santa María de Poyos, a town in Guadalajara Province that was submerged by the waters of the Embalse de Buendía reservoir. Presently there is a Ribera del Duero DO wine cellar in San Bernardo named after the village.

The Valbuena Abbey is located within the limits of Valbuena de Duero municipality.

41°39′N 4°17′W / 41.650°N 4.283°W / 41.650; -4.283