Russia is a huge country, covering a significant part of Eurasia. Russia is washed by the Japanese, Okhotsk and Bering seas together with the Bering Strait in the east, in the north by the Barents, Black, Chukchi and East Siberian seas, on the West side by the Baltic Sea and the Gulf of Finland, in the North with Barents. Russia shares borders with Norway, Finland, Estonia, Latvia, Lithuania and Poland (both via Kaliningrad Oblast), Belarus, Ukraine, Georgia, Azerbaijan, Kazakhstan, China, Mongolia, and North Korea.Russia is a country with a population of 145 million. It hosts more than 100 nationalities. The largest group is made up of Russians (81,5%), followed by Tatars (3,8%), Ukrainians (3%), Chuvashes (1,2%), Bashkirs (0,9%), Belarussians (0,8% %), Mordvins (0,7%), Germans and Chechens (0,6% each), Avars, Armenians, Jews (0,4% each) and others.In the south, on the Black Sea coast, winter is short and cool, and in Siberia it is long and deathly cold. Summer can be hot in the steppe areas and cool on the Arctic coast. Most of Russia is covered with snow for six months a year. The weather of Russia is usually severe and unpredictable. The average annual temperature in the European part of Russia is 0 ° C, in Siberia it is even lower. The level of precipitation varies from low to moderate in most of the country, most precipitation falls in northwestern Russia, the North Caucasus and the Pacific coast.