Arja may refer to:
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Arja (drama), Balinese dance-opera
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Ãrja, Norwegian Sami political party
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Polyura arja
''Polyura arja'', the pallid nawab, is a butterfly belonging to the rajahs and nawabs group, that is, the Charaxinae subfamily of the brush-footed butterflies family.
Subspecies
*''Polyura arja arja''
Description
''Polyura arja'' has a wing ...
'', butterfly found in India and Southeast Asia
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Arja (given name), Finnish given name
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