page_title: Demyansky District
section_title: Geography
hierarchical_section_title: Demyansky District / Geography
caption_attribution_description: Русский: Яека Явонь в районе деревни Пески Демянского района Новгородской областиEnglish: Yavon river in Peski village. Denyansky district, Novgorod oblast, Russia
context_page_description: Demyansky District is an administrative and municipal district, one of the twenty-one in Novgorod Oblast, Russia. It is located in the south of the oblast and borders with Krestetsky District in the north, Valdaysky District in the northeast, Firovsky District of Tver Oblast in the southeast, Ostashkovsky District of Tver Oblast in the south, Maryovsky District in the southwest, Starorussky District in the west, and with Parfinsky District in the northwest. The area of the district is 3,200 square kilometers. Its administrative center is the urban locality of Demyansk. Population: 13,001; 16,020; 18,488. The population of Demyansk accounts for 41.3% of the district's total population.
context_section_description: Demyansky District is located in the Valdai Hills. As typical for the region, the east of the district contains many lakes. The biggest ones are Lake Seliger, which the district shares with Tver Oblast, and Lake Velyo, shared with Valdaysky District. Lake Seliger and adjacent areas belong to the basin of the Volga River. The western part of the district lies in the basin of the Pola River and its tributaries, the biggest of which are the Polomet and the Yavon. Minor areas in the east of the district belong to the drainage basin of the Msta River. The divide between the basins of the Atlantic Ocean (to which the Pola and the Msta belong) and the Caspian Sea (to which Lake Seliger belongs) thus runs through the district. 12% of the district's territory is occupied by the Valdaysky National Park, which protects forests and lakes in the Valdai Hills and includes Lake Seliger.
caption: The Yavon River in the village of Peski
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