Quiruelas de Vidriales is a municipality in the province of Zamora, within the autonomous community of Castile and León, Spain. It lies in the northwestern part of the country, in a region characterised by a continental Mediterranean climate and a landscape of plains and low hills typical of the Duero basin.
According to the 2004 census conducted by Spain's National Statistics Institute (INE), the municipality had a population of 934 inhabitants. Like many small municipalities in rural Castile and León, it is a compact settlement surrounded by agricultural land, with the surrounding area historically associated with the Vidriales district from which it takes part of its name.
The municipality's administrative status and demographic data are recorded by the INE, which provides the official population figures used for Spanish local government. Quiruelas de Vidriales is one of numerous small municipalities that make up the province of Zamora, a province known for its low population density and its concentration of historic villages and towns.