Villarroya de la Sierra is a municipality in the province of Zaragoza, Aragon, Spain. According to the 2004 census (INE), the municipality has a population of 622 inhabitants.
The town is located in the Sierra de la Virgen range.
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Coordinates: 41°28′N 1°47′W / 41.467°N 1.783°W / 41.467; -1.783