Griegos is a municipality located in the province of Teruel, Aragon, Spain. According to the 2004 census (INE), the municipality has a population of 137 inhabitants.

The climate is continental Mediterranean, characterized by long, cold winters with little snow though, where temperatures can stay several days at -15 degrees Celsius or less. The summers are mild and some days it is possible to achieve zero temperatures in midsummer.

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