Karelia — russia_west borders (5): Moscow, Novgorod, Eastern Urals, Western Urals, Western SiberiaKareliaNovgorod — russia_west borders (2): Karelia, MoscowNovgorodMoscow — russia_west borders (6): The Don, Karelia, Novgorod, Eastern Ukraine, Western Urals, The VolgaMoscowEastern Ukraine — russia_west borders (2): The Don, MoscowEastern UkraineThe Don — russia_west borders (4): Kazakhstan, Moscow, Eastern Ukraine, The VolgaThe DonThe Volga — russia_west borders (4): The Don, Kazakhstan, Moscow, Western UralsThe VolgaWestern Urals — russia_west borders (5): Karelia, Kazakhstan, Moscow, Eastern Urals, The VolgaWestern UralsNorthern Iran — persia borders (3): Eastern Iran, Southern Iran, KhorasanNorthern IranSouthern Iran — persia borders (2): Eastern Iran, Northern IranSouthern IranEastern Iran — persia borders (4): Baluchistan, Northern Iran, Southern Iran, KhorasanEastern IranKhorasan — persia borders (3): Eastern Iran, Northern Iran, TurkmenistanKhorasanBaluchistan — persia borders (1): Eastern IranBaluchistanKazakhstan — central_asia borders (9): The Don, Kyrgyzstan, Turkmenistan, Eastern Urals, Western Urals, Uzbekistan, The Volga, Western Siberia, XinjiangKazakhstanUzbekistan — central_asia borders (4): Kazakhstan, Kyrgyzstan, Tajikistan, TurkmenistanUzbekistanTurkmenistan — central_asia borders (3): Kazakhstan, Khorasan, UzbekistanTurkmenistanTajikistan — central_asia borders (3): Kyrgyzstan, Uzbekistan, XinjiangTajikistanKyrgyzstan — central_asia borders (4): Kazakhstan, Tajikistan, Uzbekistan, XinjiangKyrgyzstanEastern Urals — siberia borders (5): Central Siberia, Karelia, Kazakhstan, Western Urals, Western SiberiaEastern UralsWestern Siberia — siberia borders (6): Central Siberia, Karelia, Kazakhstan, Mongolia, Eastern Urals, XinjiangWestern SiberiaCentral Siberia — siberia borders (6): Inner Mongolia, Manchuria, Mongolia, Eastern Urals, Western Siberia, YakutiaCentral SiberiaYakutia — siberia borders (5): Central Siberia, Chukotka, Kamchatka, North Korea, ManchuriaYakutiaChukotka — siberia borders (2): Kamchatka, YakutiaChukotkaKamchatka — siberia borders (3): Chukotka, Yakutia, HokkaidoKamchatkaMongolia — steppe borders (4): Central Siberia, Inner Mongolia, Western Siberia, XinjiangMongoliaManchuria — steppe borders (4): Central Siberia, Inner Mongolia, North Korea, YakutiaManchuriaInner Mongolia — steppe borders (3): Central Siberia, Manchuria, MongoliaInner MongoliaXinjiang — steppe borders (5): Kazakhstan, Kyrgyzstan, Mongolia, Tajikistan, Western SiberiaXinjiangNorth Korea — korea_japan borders (3): South Korea, Manchuria, YakutiaNorth KoreaSouth Korea — korea_japan borders (2): North Korea, KyushuSouth KoreaHonshu — korea_japan borders (2): Hokkaido, KyushuHonshuHokkaido — korea_japan borders (2): Honshu, KamchatkaHokkaidoKyushu — korea_japan borders (2): Honshu, South KoreaKyushu