Aghstafa (Azerbaijani: Ağstafacay; Armenian: Աղստև – Aghstev, Russian: Акстафа - Akstafa) is a river in Armenia and Azerbaijan, and is a right tributary of the Kura River.
Aghstafa has a length of 133 km, and a basin area of 2589 km². Along the river lie the cities of Dilijan, Ijevan, Gazakh and Aghstafa.
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