From the Wikipedia page 
Poddorsky District (Russian: По́ддорский райо́н) is an administrative and municipal district (raion), one of the twenty-one in Novgorod Oblast, Russia. It is located in the southwest of the oblast and borders with Volotovsky District in the north, Starorussky District in the northeast, Maryovsky District in the east, Kholmsky District in the south, Bezhanitsky District of Pskov Oblast in the southwest, and with Dedovichsky District of Pskov Oblast in the northwest. The area of the district is 2,952 square kilometers (1,140 sq mi). Its administrative center is the rural locality (a selo) of Poddorye.