Slovenia — balkans borders (2): Croatia, HungarySloveniaCroatia — balkans borders (5): Bosnia, Hungary, Montenegro, Serbia, SloveniaCroatiaBosnia — balkans borders (3): Croatia, Montenegro, SerbiaBosniaSerbia — balkans borders (7): Bosnia, Bulgaria, Croatia, Hungary, Macedonia, Montenegro, RomaniaSerbiaMontenegro — balkans borders (4): Albania, Bosnia, Croatia, SerbiaMontenegroAlbania — balkans borders (3): Greece, Macedonia, MontenegroAlbaniaMacedonia — balkans borders (4): Albania, Bulgaria, Greece, SerbiaMacedoniaGreece — balkans borders (4): Albania, Bulgaria, Macedonia, ThraceGreeceHungary — carpathia borders (5): Croatia, Romania, Serbia, Slovenia, Western UkraineHungaryPoland — carpathia borders (1): Western UkrainePolandRomania — carpathia borders (5): Bulgaria, Hungary, Moldova, Serbia, Western UkraineRomaniaMoldova — carpathia borders (2): Romania, Western UkraineMoldovaBulgaria — carpathia borders (5): Greece, Macedonia, Romania, Serbia, ThraceBulgariaWestern Ukraine — carpathia borders (6): Hungary, Moldova, Moscow, Poland, Romania, Eastern UkraineWestern UkraineKarelia — russia_west borders (3): Moscow, Novgorod, Western UralsKareliaNovgorod — russia_west borders (2): Karelia, MoscowNovgorodMoscow — russia_west borders (7): The Don, Karelia, Novgorod, Eastern Ukraine, Western Ukraine, Western Urals, The VolgaMoscowEastern Ukraine — russia_west borders (3): The Don, Moscow, Western UkraineEastern UkraineThe Don — russia_west borders (6): The Caucasus, Georgia, Kazakhstan, Moscow, Eastern Ukraine, The VolgaThe DonThe Volga — russia_west borders (4): The Don, Kazakhstan, Moscow, Western UralsThe VolgaWestern Urals — russia_west borders (4): Karelia, Kazakhstan, Moscow, The VolgaWestern UralsThrace — anatolia borders (3): Western Anatolia, Bulgaria, GreeceThraceWestern Anatolia — anatolia borders (2): Central Anatolia, ThraceWestern AnatoliaCentral Anatolia — anatolia borders (3): Eastern Anatolia, Western Anatolia, CyprusCentral AnatoliaEastern Anatolia — anatolia borders (4): Central Anatolia, Armenia, Azerbaijan, GeorgiaEastern AnatoliaCyprus — anatolia borders (1): Central AnatoliaCyprusGeorgia — caucasus borders (5): Eastern Anatolia, Armenia, Azerbaijan, The Caucasus, The DonGeorgiaArmenia — caucasus borders (3): Eastern Anatolia, Azerbaijan, GeorgiaArmeniaAzerbaijan — caucasus borders (4): Eastern Anatolia, Armenia, The Caucasus, GeorgiaAzerbaijanThe Caucasus — caucasus borders (3): Azerbaijan, The Don, GeorgiaThe CaucasusKazakhstan — central_asia borders (6): The Don, Kyrgyzstan, Turkmenistan, Western Urals, Uzbekistan, The VolgaKazakhstanUzbekistan — central_asia borders (4): Kazakhstan, Kyrgyzstan, Tajikistan, TurkmenistanUzbekistanTurkmenistan — central_asia borders (2): Kazakhstan, UzbekistanTurkmenistanTajikistan — central_asia borders (2): Kyrgyzstan, UzbekistanTajikistanKyrgyzstan — central_asia borders (3): Kazakhstan, Tajikistan, UzbekistanKyrgyzstan