Gatchina (Russian: Га́тчина) is a town and the administrative center of Gatchinsky District in Leningrad Oblast, Russia, located 45 kilometers (28 mi) south of St. Petersburg by the road leading to Pskov. Population: 92,937 (2010 Census); 88,420 (2002 Census); 79,714 (1989 Census).It is a part of the World Heritage Site Saint Petersburg and Related Groups of Monuments.