Russia is officially known as the Russian Federation, the largest country in the world, located in Eastern Europe. The country is a semi-presidential federal republic with a constitution consisting of 63 federal subjects. From northwest to southeast of Russia are Norway, Finland, Estonia, Latvia, Lithuania and Poland (both countries bordering Kaliningrad), Belarus, Ukraine, Georgia, Azerbaijan, Kazakhstan, China, and MongoliaIt has a border with Korea.The country shares maritime borders with Japan through the Atlantic Ocean and the United States with Alaska in the Bering Strait. Russia is the world's largest country, accounting for one-eighth of the world's total habitable land. The total area of ​​the country is 16,075,400 square kilometers (6,592,600 square miles). Russia is the ninth most populous country in the world with a population of 143 million as of 2012As a result of the expansion of space in Eastern Europe, Russia is included in 11 time zones and has a combination of many different and wide environments