Ireland — british_isles borders (2): Scotland, WalesIrelandScotland — british_isles borders (4): England, Ireland, Wales, NorwayScotlandWales — british_isles borders (3): England, Ireland, ScotlandWalesEngland — british_isles borders (4): Scotland, Wales, Normandy, FlandersEnglandBrittany — gaul borders (2): Aquitaine, NormandyBrittanyNormandy — gaul borders (6): Alsace, Aquitaine, Brittany, Burgundy, Flanders, EnglandNormandyAquitaine — gaul borders (4): Brittany, Burgundy, Normandy, ProvenceAquitaineBurgundy — gaul borders (6): Alsace, Aquitaine, Normandy, Piedmont, Provence, SwitzerlandBurgundyProvence — gaul borders (3): Aquitaine, Burgundy, PiedmontProvenceAlsace — gaul borders (6): Bavaria, Burgundy, Flanders, Normandy, Rhineland, SwitzerlandAlsaceFlanders — low_countries borders (6): Alsace, Holland, Normandy, Rhineland, Westphalia, EnglandFlandersHolland — low_countries borders (2): Flanders, WestphaliaHollandRhineland — low_countries borders (5): Alsace, Bavaria, Flanders, Saxony, WestphaliaRhinelandWestphalia — low_countries borders (5): Flanders, Holland, Jutland, Rhineland, SaxonyWestphaliaIceland — nordics borders (1): NorwayIcelandNorway — nordics borders (5): Finland, Karelia, Sweden, Scotland, IcelandNorwaySweden — nordics borders (4): Finland, Norway, Jutland, EstoniaSwedenFinland — nordics borders (4): Karelia, Norway, Novgorod, SwedenFinlandJutland — nordics borders (2): Westphalia, SwedenJutlandSaxony — central_europe borders (3): Bavaria, Rhineland, WestphaliaSaxonyBavaria — central_europe borders (6): Alsace, Austria, Rhineland, Saxony, Switzerland, TyrolBavariaBohemia — central_europe borders (2): Austria, SlovakiaBohemiaSlovakia — central_europe borders (2): Austria, BohemiaSlovakiaAustria — central_europe borders (6): Bavaria, Bohemia, Slovakia, Slovenia, Tyrol, VenetoAustriaSwitzerland — central_europe borders (7): Alsace, Bavaria, Burgundy, Lombardy, Piedmont, Tyrol, VenetoSwitzerlandPiedmont — italy borders (5): Burgundy, Lombardy, Provence, Switzerland, TuscanyPiedmontTyrol — italy borders (4): Austria, Bavaria, Switzerland, VenetoTyrolLombardy — italy borders (4): Piedmont, Switzerland, Tuscany, VenetoLombardyVeneto — italy borders (6): Austria, Lombardy, Slovenia, Switzerland, Tuscany, TyrolVenetoTuscany — italy borders (4): Lazio, Lombardy, Piedmont, VenetoTuscanyLazio — italy borders (2): Campania, TuscanyLazioCampania — italy borders (2): Apulia, LazioCampaniaApulia — italy borders (2): Campania, SicilyApuliaSicily — italy borders (1): ApuliaSicilySlovenia — balkans borders (3): Austria, Croatia, VenetoSloveniaCroatia — balkans borders (4): Bosnia, Montenegro, Serbia, SloveniaCroatiaBosnia — balkans borders (3): Croatia, Montenegro, SerbiaBosniaSerbia — balkans borders (4): Bosnia, Croatia, Macedonia, MontenegroSerbiaMontenegro — balkans borders (4): Albania, Bosnia, Croatia, SerbiaMontenegroAlbania — balkans borders (3): Greece, Macedonia, MontenegroAlbaniaMacedonia — balkans borders (3): Albania, Greece, SerbiaMacedoniaGreece — balkans borders (2): Albania, MacedoniaGreeceKaliningrad — baltic borders (1): LithuaniaKaliningradLithuania — baltic borders (3): Belarus, Kaliningrad, LatviaLithuaniaLatvia — baltic borders (4): Belarus, Estonia, Lithuania, NovgorodLatviaEstonia — baltic borders (3): Latvia, Novgorod, SwedenEstoniaBelarus — baltic borders (4): Latvia, Lithuania, Moscow, NovgorodBelarusKarelia — russia_west borders (5): Finland, Moscow, Norway, Novgorod, Western UralsKareliaNovgorod — russia_west borders (6): Belarus, Estonia, Finland, Karelia, Latvia, MoscowNovgorodMoscow — russia_west borders (7): Belarus, The Don, Karelia, Novgorod, Eastern Ukraine, Western Urals, The VolgaMoscowEastern Ukraine — russia_west borders (2): The Don, MoscowEastern UkraineThe Don — russia_west borders (5): The Caucasus, Georgia, Moscow, Eastern Ukraine, The VolgaThe DonThe Volga — russia_west borders (3): The Don, Moscow, Western UralsThe VolgaWestern Urals — russia_west borders (3): Karelia, Moscow, The VolgaWestern UralsGeorgia — caucasus borders (4): Armenia, Azerbaijan, The Caucasus, The DonGeorgiaArmenia — caucasus borders (2): Azerbaijan, GeorgiaArmeniaAzerbaijan — caucasus borders (3): Armenia, The Caucasus, GeorgiaAzerbaijanThe Caucasus — caucasus borders (3): Azerbaijan, The Don, GeorgiaThe Caucasus