Novosokolnichesky District in the context of Nevelsky District, Pskov Oblast

The Velikaya (Russian: Вели́кая) is a river in Novosokolnichesky, Pustoshkinsky, Sebezhsky, Opochetsky, Pushkinogorsky, Ostrovsky, Palkinsky, and Pskovsky Districts of Pskov Oblast, as well as in the city of Pskov in Russia. It is the largest tributary of Lake Peipus and belongs to the drainage basin of the Narva. It is 430 kilometres (270 mi) long, and the area of its basin 25,200 square kilometres (9,700 sq mi). The name of the river literally means "Grand" or "Great" in Russian. The towns of Opochka, Ostrov and Pskov are located on the banks of the Velikaya. The principal tributaries of the Velikaya are the Alolya (right), the Issa (left), the Sorot (right), the Sinyaya (left), the Utroya (left), the Kukhva (left), the Cheryokha (right), and the Pskova (right).

The source of the Velikaya is located in the Bezhanitsy Hills in the northwest of Novosokolnichesky District. The river flows south through a system of lakes to Lake Veryato, where it turns west. It accepts the Alolya from the right and gradually turns north, passing through the town of Opochka. Northwest of the urban-type settlement of Pushkinskiye Gory it turns west, accepts the Sinyaya from the left and turns north. In the city of Pskov the Velikaya accepts the Pskova from the right and turns northwest, forming a river delta as it enters Lake Peipus.

Pustoshkinsky District (Russian: Пусто́шкинский райо́н) is an administrative and municipal district (raion), one of the twenty-four in Pskov Oblast, Russia. It is located in the south of the oblast and borders with Bezhanitsky District in the north, Novosokolnichesky District in the east, Nevelsky District in the south, Sebezhsky District in the west, and with Opochetsky District in the northwest. The area of the district is 1,870 square kilometers (720 sq mi). Its administrative center is the town of Pustoshka. Population: 9,379 (2010 census); 12,071 (2002 Census); 14,063 (1989 Soviet census). The population of Pustoshka accounts for 49.2% of the district's total population.

Velikoluksky District (Russian: Великолу́кский райо́н) is an administrative and municipal district (raion), one of the twenty-four in Pskov Oblast, Russia. It is located in the southeast of the oblast and borders with Loknyansky District in the north, Toropetsky District of Tver Oblast in the northeast, Kunyinsky District in the east, Usvyatsky District in the south, Nevelsky District in the southwest, and with Novosokolnichesky District in the west. The area of the district is 2,960 square kilometers (1,140 sq mi). Its administrative center is the town of Velikiye Luki (which is not administratively a part of the district). Population: 22,121 (2010 census); 24,035 (2002 Census); 31,911 (1989 Soviet census).

Loknyansky District (Russian: Локнянский райо́н) is an administrative and municipal district (raion), one of the twenty-four in Pskov Oblast, Russia. It is located in the east of the oblast and borders with Kholmsky District of Novgorod Oblast in the northeast, Toropetsky District of Tver Oblast in the southeast, Velikoluksky District in the south, Novosokolnichesky District in the southwest, and with Bezhanitsky District in the northwest. The area of the district is 2,412 square kilometers (931 sq mi). Its administrative center is the urban locality (a work settlement) of Loknya. Population: 9,535 (2010 census); 13,268 (2002 Census); 16,782 (1989 Soviet census). The population of Loknya accounts for 40.6% of the district's total population.