Klin is a town and the administrative center of Klinsky District in Moscow Oblast, Russia, located 85 kilometers (53 mi) northwest of Moscow. Population: 80,585 (2010 Russian census); 83,178 (2002 Census); 94,908 (1989 Soviet census); 94,000.

The Battle of Moscow was a military campaign that consisted of two periods of strategically significant fighting on a 600 km (370 mi) sector of the Eastern Front during World War II, between September 1941 and January 1942. The Soviet defensive effort frustrated Hitler's attack on Moscow, the capital and largest city of the Soviet Union. Moscow was one of the primary military and political objectives for Axis forces in their invasion of the Soviet Union.