The Okopowa Street Jewish Cemetery is one of the largest Jewish cemeteries in Europe. Located on Warsaw's Okopowa street and abutting the Powązki Cemetery at (52°14′51″N20°58′29″E), the Jewish Cemetery was established in 1806 and occupies 33 hectares (83 acres) of land. The cemetery contains over 200,000 marked graves, as well as mass graves of victims of the Warsaw Ghetto. Many of these graves and crypts are overgrown, having been abandoned after the German invasion of Poland and subsequent Holocaust.