Dugna

Dugna (Russian:Дугна́) is an urban locality (a settlement) in Ferzikovsky District of Kaluga Oblast, Russia, located on the left bank of the Dugna River, 18 kilometers (11 mi) from Ferzikovo, on the main rail line between Kaluga and Tula. Population: 667(2010 Census);792(2002 Census);946(1989 Census).