Identify the geographical features and administrative divisions shown on the map, and explain the meaning of the legend.

Analysis of the Map and Legend:

The map displays a portion of Russia and surrounding areas, focusing on geographical features and administrative boundaries.

Geographical Features:

• Oceans and Seas: Large bodies of water like the Arctic Ocean, Barents Sea, Kara Sea, Laptev Sea, East Siberian Sea, Chukchi Sea, and the Pacific Ocean (partially visible).
• Landmasses: Primarily the northern part of Russia, including major peninsulas like the Kola Peninsula, Taymyr Peninsula, and Kamchatka Peninsula (partially visible). Siberia is prominently featured.
• Rivers: Numerous rivers are depicted, indicating a vast river network across the landmass. Major rivers such as the Ob, Yenisei, and Lena are likely present, though not explicitly labeled in the provided view.
• Lakes: Several lakes are shown, including large ones like the Caspian Sea (partially visible) and Lake Baikal (partially visible).
• Arctic Circle: The 'Северный полярный круг' (Arctic Circle) is clearly marked, indicating the northern limit of the polar day and polar night.

Administrative Divisions:

The map shows internal administrative borders within Russia, as indicated by the dotted lines and the legend.

Legend (Условные знаки):

• Граница Российской Федерации (Border of the Russian Federation): Represented by a dashed line (------). This delineates the external boundaries of Russia.
• Субъект Федерации, в котором я живу (Federal Subject where I live): Indicated by a solid blue outline (☐). This is a placeholder for the user's specific region of residence within Russia.
• Республика Крым (Republic of Crimea): Marked with a solid blue outline (☐).
• Республика Саха (Якутия) (Republic of Sakha (Yakutia)): Marked with a solid blue outline (☐).
• Республика Карелия (Republic of Karelia): Marked with a solid blue outline (☐).
• Республика Бурятия (Republic of Buryatia): Marked with a solid blue outline (☐).

Coordinate System:

The map includes lines of latitude (e.g., 50°, 60°, 70°, 80°) and longitude (e.g., 100°, 120°). The text 'От Гринвича 180° и востоку от Гринвица' indicates the prime meridian and eastern longitudes.