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
Arctic policy of Russia Arctic. The Northern Sea Route is of particular importance to Russia for transportation, and the Russian Security Council is considering projects for its development. The Security Council also stated a need for increasing investment in Arctic infrastructure. Russia conducts extensive research in the Arctic region, notably the manned drifting ice stations and the Arktika 2007 expedition, which was the first to reach the seabed at the North Pole. The research is partly aimed to back up Russia's territorial claims, in particular those related to Russia's extended continental shelf in the Arctic Ocean. On October 1, 1987, USSR President Mikhail Gorbachev,