Dubna (Rasha: Дубна) wani kogi ne a cikin Vladimir Oblast da Moscow Oblast a Rasha, wani dama tributary na Volga. Tsawon kogin shine kilomita 167. Yankin tafkinsa shine kilomita 5,350. Babban tributary shi ne Sestra River. Garin Dubna yana wurin haɗuwa da Dubna da Volga. Tambaya: Menene yankin tafkin Dubna?
5,350 km2