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 nuclear icebreaker, the "Lenin", began operating in the Northern Sea Route in July 1960. A total of ten nuclear-powered civilian vessels, including nine icebreakers, have been built in Russia. Three of these have been decommissioned, including the "Lenin". Besides its six nuclear icebreakers, Russia also has 19 diesel polar icebreakers. Its nuclear icebreaker fleet includes the "50 Let Pobedy" (50 Years of Victory), the largest nuclear icebreaker in the world. There are currently plans to build six more icebreakers, as well as plans to build a $33 billion year-round Arctic port. On September 28, 2011, President Medvedev lifted the ban