Oeiras may refer to:
Places
Brazil
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Oeiras, Piauí, a municipality in the State of Piauí
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Oeiras do Pará,
Pará, a municipality in the State of Pará
Portugal
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Oeiras, Portugal, a municipality in the district of Lisbon
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Oeiras e São Julião da Barra, a former civil parish in the municipality of Oeiras
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Oeiras e São Julião da Barra, Paço de Arcos e Caxias
Oeiras e São Julião da Barra, Paço de Arcos e Caxias is a civil parish in the municipality of Oeiras, Portugal. It was formed in 2013 by the merger of the former parishes Oeiras e São Julião da Barra, Paço de Arcos
Paço de Arcos () is a ...
, successor of the above
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