The area extends some 7,000 kilometres (4,300 miles) from Karelia in the west to the Chukchi Peninsula in the east.
[1] The largest of the Arctic islands is Severny Island, with an area of about 48,904 km2 (18,882 sq mi).
The Russian Empire officially claimed the Arctic islands to its north in a Note of the Russian Government of 20 September 1916 - this covered the islands of Henrietta, Jeannette, Bennett, Herald, Edinenie, New Siberia, Wrangel, Novaya Zemlya, Kolguev, Vaigach and others.
[2] On 15 April 1926, the Soviet Union reaffirmed this claim.
[2] The area includes from west to east:[1][3]