The Drajna is a left tributary of the river Teleajen in Romania. It discharges into the Teleajen in Piatra.Drajna (jud. Prahova), e-calauza.ro It flows through the villages Slon, Valea Lespezii, Cerașu, Valea Borului, Podurile, Drajna, Pițigoi and Drajna de Jos. Its length is and its basin size is .
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