Geography of Russia , the Russian border is the world's longest. Along the 20,139-kilometer land frontier, Russia has boundaries with 14 countries: Norway, Finland, Estonia, Latvia, Lithuania, Poland (via the Kaliningrad Oblast), Belarus, Ukraine, Georgia, Azerbaijan, Kazakhstan, Mongolia, the People's Republic of China and North Korea. Approximately two-thirds of the frontier is bounded by seawater. Virtually all of the lengthy northern coast is well above the Arctic Circle; except for the port of Murmansk—which receives currents that are somewhat warmer than would be expected at that latitude, due to the effects of the Gulf Stream—that coast is locked in ice much of the
Russian Arctic islands fourth largest island in Europe. 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. On 15 April 1926, the Soviet Union reaffirmed this claim. The area includes from west to east: Russian Arctic islands The Russian Arctic islands are a number of islands groups and sole islands scattered around the Arctic Ocean. The islands are all situated within the Arctic Circle and are scattered through the marginal