Russia i/Ã‹ÂˆrÃŠÂŒÃŠÂƒÃ‰Â™/ or /Ã‹ÂˆrÃŠÂŠÃŠÂƒÃ‰Â™/ (Russian: ÃÂ ÃÂ¾Ã‘ÂÃ‘ÂÃÂ¸Ã‘Â, tr. Rossiya, IPA:Â [rÃ‰ÂÃ‹ÂˆsÃŠÂ²ijÃ‰Â™]Â ( listen)), also officially known as the Russian Federation (Russian: ÃÂ ÃÂ¾Ã‘ÂÃ‘ÂÃÂ¸ÃÂ¹Ã‘ÂÃÂºÃÂ°Ã‘Â ÃÂ¤ÃÂµÃÂ´ÃÂµÃ‘Â€ÃÂ°Ã‘Â†ÃÂ¸Ã‘Â, tr. Rossiyskaya Federatsiya, IPA:Â [rÃ‰ÂÃ‹ÂˆsÃŠÂ²ijskÃ‰Â™jÃ‰Â™ fÃŠÂ²Ã‰ÂªdÃŠÂ²Ã‰ÂªÃ‹ÂˆratÃÂ¡sÃ‰Â¨jÃ‰Â™]Â ( listen)), is a country in northern Eurasia. It is a federal semi-presidential republic, comprising 83 federal subjects. From northwest to southeast, Russia shares land borders with Norway, Finland, Estonia, Latvia, Lithuania and Poland (both with Kaliningrad Oblast), Belarus, Ukraine, Georgia, Azerbaijan, Kazakhstan, China, Mongolia, and North Korea. It shares maritime borders with Japan by the Sea of Okhotsk and the US state of Alaska across the Bering Strait. At 17,075,400 square kilometres (6,592,800Â sqÂ mi), Russia is the largest country in the world, covering more than one-eighth of the Earth's inhabited land area. Russia is also the world's ninth most populous nation with 143Â million people as of 2012. Extending across the entirety of northern Asia and much of Eastern Europe, Russia spans nine time zones and incorporates a wide range of environments and landforms.