Staritsky District (Russian: Ста́рицкий райо́н) is an administrative and municipal district (raion), one of the thirty-six in Tver Oblast, Russia. It is located in the central and southern parts of the oblast and borders with Kuvshinovsky District in the north, Torzhoksky District in the northeast, Kalininsky District in the east, Lotoshinsky District of Moscow Oblast in the southeast, Zubtsovsky District in the south, Rzhevsky District in the southwest, and with Selizharovsky District in the west. The area of the district is 3,005 square kilometers (1,160 sq mi). Its administrative center is the town of Staritsa. Population: 24,056 (2010 Census); 25,765 (2002 census); 28,764 (1989 Soviet census). The population of Staritsa accounts for 35.8% of the district's total population.