Flanders — low_countries borders (3): Holland, Rhineland, WestphaliaFlandersHolland — low_countries borders (2): Flanders, WestphaliaHollandRhineland — low_countries borders (2): Flanders, WestphaliaRhinelandWestphalia — low_countries borders (4): Flanders, Holland, Jutland, RhinelandWestphaliaIceland — nordics borders (1): NorwayIcelandNorway — nordics borders (3): Finland, Sweden, IcelandNorwaySweden — nordics borders (4): Finland, Norway, Jutland, EstoniaSwedenFinland — nordics borders (2): Norway, SwedenFinlandJutland — nordics borders (2): Westphalia, SwedenJutlandSlovenia — 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 (3): Albania, Bulgaria, MacedoniaGreeceHungary — carpathia borders (5): Croatia, Romania, Serbia, Slovenia, Western UkraineHungaryPoland — carpathia borders (4): Belarus, Kaliningrad, Lithuania, Western UkrainePolandRomania — carpathia borders (5): Bulgaria, Hungary, Moldova, Serbia, Western UkraineRomaniaMoldova — carpathia borders (2): Romania, Western UkraineMoldovaBulgaria — carpathia borders (4): Greece, Macedonia, Romania, SerbiaBulgariaWestern Ukraine — carpathia borders (5): Belarus, Hungary, Moldova, Poland, RomaniaWestern UkraineKaliningrad — baltic borders (2): Lithuania, PolandKaliningradLithuania — baltic borders (4): Belarus, Kaliningrad, Latvia, PolandLithuaniaLatvia — baltic borders (3): Belarus, Estonia, LithuaniaLatviaEstonia — baltic borders (2): Latvia, SwedenEstoniaBelarus — baltic borders (4): Latvia, Lithuania, Poland, Western UkraineBelarus