🇷🇺 Ruza (Ру́за) is a town and the administrative centre of Ruzsky District in Moscow Oblast, Russia, located on the Ruza River (a tributary of the Moskva River) 100 km (62 mi) west of Moscow.
It was first mentioned in 1339 as a part of the Principality of Zvenigorod. It became a part of the Grand Duchy of Moscow in the early 16th century. The town was a fortress which protected Moscow from the west. During World War II, Ruza was occupied by the Germans from October 25, 1941 to January 17, 1942.