| Official Name: | Used |
| Area Total Km2: | 85.3 |
| Elevation M: | 1050 |
| Utc Offset Dst: | +1 |
| Postal Code Type: | Postal code |
| Postal Code: | 50374 |
| Area Code Type: | Dialing code |
| Leader Title: | Alcalde |
Used is a municipality in province of Zaragoza, Aragon, Spain. According to the 2010 census (INE), the municipality has a population of 328 inhabitants.
It is located in the Campo de Daroca comarca near the Sierra de Santa Cruz.
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