Russia (full name, Russian Federation) covers an area of approximately 17 million sq km. Its terrain consists of broad plain with low hills to the west of the Urals and vast coniferous forest and tundra in Siberia. Russia borders Azerbaijan, Belarus, China, Estonia, Finland, Georgia, Kazakhstan, North Korea, Latvia, Lithuania, Mongolia, Norway, Poland and Ukraine, and has 37,653 km of coastline. The country is divided into 46 oblasts (Amur, Arkhangel'sk, Astrakhan', Belgorod, Bryansk, Chelyabinsk, Irkutsk, Ivanovo, Kaliningrad, Kaluga, Kemerovo, Kirov, Kostroma, Kurgan, Kursk, Leningrad, Lipetsk, Magadan, Moscow, Murmansk, Nizhniy Novgorod, Novgorod, Novosibirsk, Omsk, Orenburg, Orel, Penza, Pskov, Rostov, Ryazan', Sakhalin, Samara, Saratov, Smolensk, Sverdlovsk, Tambov, Tomsk, Tula, Tver', Tyumen', Ul'yanovsk, Vladimir, Volgograd, Vologda, Voronezh and Yaroslavl'), 21 republics (Adygeya, Altay, Bashkortostan, Buryatiya, Chechnya, Chuvashiya, Dagestan, Ingushetiya, Kabardino-Balkariya, Kalmykiya, Karachayevo-Cherkesiya, Kareliya, Khakasiya, Komi, Mariy-El , Mordoviya, North Ossetia, Sakha, Tatarstan, Tyva and Udmurtiya), 4 autonomous okrugs (Chukotka, Khanty-Mansi, Nenets, Yamalo-Nenets), 9 krays (Altay, Kamchatka, Khabarovsk, Krasnodar, Krasnoyarsk, Perm', Primorskiy, Stavropol' and Zabaykal'sk), two federal cities (Moscow and Saint Petersburg) and one autonomous oblast (Yevrey). Moscow is the capital, with a time difference of 3 hours ahead of GMT (though Russia is divided into 11 time zones). The currency is the rouble, and exports include oil, oil products, natural gas, wood, wood products, metals, chemicals, weapons and military equipment. The population of approximately 140,000,000 people comprises an ethnic makeup that is 79.8% Russian. The primary language is Russian, and the predominant religion is Christianity and Islam.