Gryazovets (Russian:Гря́зовец) is a town and the administrative center of Gryazovetsky District in Vologda Oblast, Russia, located on the Rzhavka River, 47 kilometers (29mi) south of Vologda, the administrative center of the oblast. Population: 15,528(2010 Census);16,172(2002 Census);16,424(**** Census).