Bologovsky District is an administrative and municipal district (raion), one of the thirty-six in Tver Oblast, Russia. It is located in the north of the oblast and borders with Borovichsky District of Novgorod Oblast in the north, Udomelsky District in the east, Vyshnevolotsky District in the southeast, Firovsky District and the urban-type settlement of Ozyorny in the south, Valdaysky District of Novgorod Oblast in the west, and with Okulovsky District, also of Novgorod Oblast, to the northwest. The area of the district is 2,463.7 square kilometers (951.2 sq mi). Its administrative center is the town of Bologoye. Population: 38,557 ; 18,757 (2002 Census); 32,790 (1989 Soviet census). The population of Bologoye accounts for 60.9% of the district's total population.

Borovichsky District is an administrative and municipal district (raion), one of the twenty-one in Novgorod Oblast, Russia. It is located in the east of the oblast and borders with Khvoyninsky District in the north, Moshenskoy District in the east, Udomelsky District of Tver Oblast in the southeast, Bologovsky District of Tver Oblast in the south, Okulovsky District in the west, and with Lyubytinsky District in the northwest. The area of the district is 3,100 square kilometers (1,200 sq mi). Its administrative center is the town of Borovichi. Population: 15,675 (2010 Russian census); 19,085 ; 21,648 (1989 Soviet census).