Kupyanka (Russian: Купянка) is a rural locality (a selo) in Popovskoye Rural Settlement, Bogucharsky District, Voronezh Oblast, Russia.

[3] Kupyanka is located on the left bank of the Bogucharka River, 5 km south of Boguchar (the district's administrative centre) by road.

Boguchar is the nearest rural locality.

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