Novocherkasskaya is a station on the Line 4 of Saint Petersburg Metro, opened on December 30, 1985. Until 1992, it was known as Krasnogvardeyskaya.
Wikipedia https://en.wikipedia.org/wiki/Novocherkasskaya_(Saint_Petersburg_Metro)
Address 23 Zanevskiy prospekt, Санкт-Петербург 195112, Russia
Coordinates 59°55'46.543" N 30°24'54.751" E