Bolkhov (Russian:Бо́лхов) is a town and the administrative center of Bolkhovsky District in Oryol Oblast, Russia, located on the Nugr River (Oka's tributary), 56 kilometers (35mi) from Oryol, the administrative center of the oblast. Population: 11,421(2010 Census);12,148(2002 Census);13,071(**** Census); 12,800 (1969); 20,703 (1897).