Nerchinsk is a town and the administrative center of Nerchinsky District in Zabaykalsky Krai, Russia, located on the left bank of the Nercha River, 7 kilometers (4.3 mi) above its confluence with the Shilka River, 644 kilometers (400 mi) east of Lake Baikal, about 225 kilometers (140 mi) west of the Chinese border, and 305 kilometers (190 mi) east of Chita, the administrative center of the krai. Population: 14,959 (2010 Census); 15,748 (2002 Census); 16,961 (1989 Soviet census); 6,713 (1897).