. . "Ostashkov (Russian: \u041E\u0441\u0442\u0430\u0301\u0448\u043A\u043E\u0432) is a town and the administrative center of Ostashkovsky District in Tver Oblast, Russia, located on a peninsula at the southern shore of Lake Seliger, 199 kilometers (124 mi) west of Tver, the administrative center of the oblast. Population: 18,088\u2009(2010 Census); 20,660\u2009(2002 Census); 27,401\u2009(1989 Census)."@en . .