Chargement de la carte...
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(Sienne)","GeoJsonRevisionId":639017,"imageLayers":[],"locations":[],"imageoverlays":null}
Comme on peut le constater, le nom de ce cours d'eau est principalement attesté à date ancienne par celui de la localité qui en a dérivé le sien : la forme en est notée Arou du 12e au 14e siècle, puis Airou à partir du 17e siècle.
Le Syndicat intercommunal d’aménagement et d’entretien de la Sienne (SIAES) en est la structure animatrice.