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| Country |  Portugal
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| District |  Portalegre
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| Language official |
Portuguese | ||||
| others | Spanish | ||||
| Founded | 14th century | ||||
| Mayor | Manuel José Gonçalves Andrade (PS/CDU) | ||||
| Area | 750 km² | ||||
| Population | 11,512 | ||||
| Time zone | Western European Time (UTC) | ||||
Olivenza (Portuguese: Olivença) is a town situated on a disputed section of the Portugal-Spain border. It is administered de facto by Portugal, as part of the district of Portalegre. Spain holds a claim on the town and its surrounding territory.