Zadrna
Zadrna is a river in Lower Silesian Voivodeship in southwestern Poland , a right tributary of the Bóbr . 
<triplet> Zadrna <subj> river <obj> instance of <subj> Lower Silesian Voivodeship <obj> located in the administrative territorial entity <subj> Bóbr <obj> mouth of the watercourse <triplet> Lower Silesian Voivodeship <subj> Poland <obj> country <triplet> Poland <subj> Lower Silesian Voivodeship <obj> contains administrative territorial entity <triplet> Bóbr <subj> Zadrna <obj> tributary <subj> river <obj> instance of