Kesovogorsky District is an administrative and municipal district (raion), one of the thirty-six in Tver Oblast, Russia. It is located in the east of the oblast and borders with Sonkovsky District in the north, Myshkinsky District of Yaroslavl Oblast in the east, Uglichsky District, also of Yaroslavl Oblast, in the southeast, Kashinsky District in the south, and with Bezhetsky District in the west. The area of the district is 962 square kilometers (371 sq mi). Its administrative center is the urban locality of Kesova Gora. Population: 8,199 ; 9,289 (2002 Census); 10,235 (1989 Soviet census). The population of Kesova Gora accounts for 47.3% of the district's total population.