Kaliningrad — baltic borders (1): Lithuania
Kaliningrad
Lithuania — baltic borders (3): Belarus, Kaliningrad, Latvia
Lithuania
Latvia — baltic borders (4): Belarus, Estonia, Lithuania, Novgorod
Latvia
Estonia — baltic borders (2): Latvia, Novgorod
Estonia
Belarus — baltic borders (4): Latvia, Lithuania, Moscow, Novgorod
Belarus
Karelia — russia_west borders (5): Moscow, Novgorod, Eastern Urals, Western Urals, Western Siberia
Karelia
Novgorod — russia_west borders (5): Belarus, Estonia, Karelia, Latvia, Moscow
Novgorod
Moscow — russia_west borders (7): Belarus, The Don, Karelia, Novgorod, Eastern Ukraine, Western Urals, The Volga
Moscow
Eastern Ukraine — russia_west borders (2): The Don, Moscow
Eastern Ukraine
The Don — russia_west borders (4): Kazakhstan, Moscow, Eastern Ukraine, The Volga
The Don
The Volga — russia_west borders (4): The Don, Kazakhstan, Moscow, Western Urals
The Volga
Western Urals — russia_west borders (5): Karelia, Kazakhstan, Moscow, Eastern Urals, The Volga
Western Urals
Kazakhstan — central_asia borders (9): The Don, Kyrgyzstan, Turkmenistan, Eastern Urals, Western Urals, Uzbekistan, The Volga, Western Siberia, Xinjiang
Kazakhstan
Uzbekistan — central_asia borders (4): Kazakhstan, Kyrgyzstan, Tajikistan, Turkmenistan
Uzbekistan
Turkmenistan — central_asia borders (2): Kazakhstan, Uzbekistan
Turkmenistan
Tajikistan — central_asia borders (3): Kyrgyzstan, Uzbekistan, Xinjiang
Tajikistan
Kyrgyzstan — central_asia borders (4): Kazakhstan, Tajikistan, Uzbekistan, Xinjiang
Kyrgyzstan
Eastern Urals — siberia borders (5): Central Siberia, Karelia, Kazakhstan, Western Urals, Western Siberia
Eastern Urals
Western Siberia — siberia borders (6): Central Siberia, Karelia, Kazakhstan, Mongolia, Eastern Urals, Xinjiang
Western Siberia
Central Siberia — siberia borders (6): Inner Mongolia, Manchuria, Mongolia, Eastern Urals, Western Siberia, Yakutia
Central Siberia
Yakutia — siberia borders (5): Central Siberia, Chukotka, Kamchatka, North Korea, Manchuria
Yakutia
Chukotka — siberia borders (2): Kamchatka, Yakutia
Chukotka
Kamchatka — siberia borders (3): Chukotka, Yakutia, Hokkaido
Kamchatka
Mongolia — steppe borders (4): Central Siberia, Inner Mongolia, Western Siberia, Xinjiang
Mongolia
Manchuria — steppe borders (4): Central Siberia, Inner Mongolia, North Korea, Yakutia
Manchuria
Inner Mongolia — steppe borders (3): Central Siberia, Manchuria, Mongolia
Inner Mongolia
Xinjiang — steppe borders (5): Kazakhstan, Kyrgyzstan, Mongolia, Tajikistan, Western Siberia
Xinjiang
North Korea — korea_japan borders (3): South Korea, Manchuria, Yakutia
North Korea
South Korea — korea_japan borders (2): North Korea, Kyushu
South Korea
Honshu — korea_japan borders (2): Hokkaido, Kyushu
Honshu
Hokkaido — korea_japan borders (2): Honshu, Kamchatka
Hokkaido
Kyushu — korea_japan borders (2): Honshu, South Korea
Kyushu