Portugal — iberia borders (3): Andalusia, Castile, GaliciaPortugalGalicia — iberia borders (2): Castile, PortugalGaliciaCastile — iberia borders (5): Andalusia, Aquitaine, Catalonia, Galicia, PortugalCastileCatalonia — iberia borders (3): Aquitaine, Castile, ProvenceCataloniaAndalusia — iberia borders (2): Castile, PortugalAndalusiaIreland — 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 (6): Brittany, Burgundy, Castile, Catalonia, Normandy, ProvenceAquitaineBurgundy — gaul borders (6): Alsace, Aquitaine, Normandy, Piedmont, Provence, SwitzerlandBurgundyProvence — gaul borders (4): Aquitaine, Burgundy, Catalonia, 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 (2): Norway, GreenlandIcelandNorway — 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 (4): Bavaria, Poland, Rhineland, WestphaliaSaxonyBavaria — central_europe borders (6): Alsace, Austria, Rhineland, Saxony, Switzerland, TyrolBavariaBohemia — central_europe borders (3): Austria, Poland, SlovakiaBohemiaSlovakia — central_europe borders (5): Austria, Bohemia, Hungary, Poland, Western UkraineSlovakiaAustria — central_europe borders (7): Bavaria, Bohemia, Hungary, 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 (4): Austria, Croatia, Hungary, VenetoSloveniaCroatia — 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 (7): Austria, Croatia, Romania, Serbia, Slovakia, Slovenia, Western UkraineHungaryPoland — carpathia borders (7): Belarus, Bohemia, Kaliningrad, Lithuania, Saxony, Slovakia, 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 (8): Belarus, Hungary, Moldova, Moscow, Poland, Romania, Slovakia, Eastern UkraineWestern UkraineKaliningrad — baltic borders (2): Lithuania, PolandKaliningradLithuania — baltic borders (4): Belarus, Kaliningrad, Latvia, PolandLithuaniaLatvia — baltic borders (4): Belarus, Estonia, Lithuania, NovgorodLatviaEstonia — baltic borders (3): Latvia, Novgorod, SwedenEstoniaBelarus — baltic borders (6): Latvia, Lithuania, Moscow, Novgorod, Poland, Western UkraineBelarusKarelia — russia_west borders (7): Finland, Moscow, Norway, Novgorod, Eastern Urals, Western Urals, Western SiberiaKareliaNovgorod — russia_west borders (6): Belarus, Estonia, Finland, Karelia, Latvia, MoscowNovgorodMoscow — russia_west borders (8): Belarus, 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 (5): Karelia, Kazakhstan, Moscow, Eastern Urals, 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 (5): Central Anatolia, Armenia, Azerbaijan, Georgia, Northern IranEastern AnatoliaCyprus — anatolia borders (1): Central AnatoliaCyprusGeorgia — caucasus borders (5): Eastern Anatolia, Armenia, Azerbaijan, The Caucasus, The DonGeorgiaArmenia — caucasus borders (4): Eastern Anatolia, Azerbaijan, Georgia, Northern IranArmeniaAzerbaijan — caucasus borders (5): Eastern Anatolia, Armenia, The Caucasus, Georgia, Northern IranAzerbaijanThe Caucasus — caucasus borders (3): Azerbaijan, The Don, GeorgiaThe CaucasusNorthern Iran — persia borders (6): Eastern Anatolia, Armenia, Azerbaijan, 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 (4): Central Siberia, Chukotka, Kamchatka, ManchuriaYakutiaChukotka — siberia borders (2): Kamchatka, YakutiaChukotkaKamchatka — siberia borders (2): Chukotka, YakutiaKamchatkaMongolia — steppe borders (5): Central Siberia, Inner Mongolia, Sichuan, Western Siberia, XinjiangMongoliaManchuria — steppe borders (4): Beijing, Central Siberia, Inner Mongolia, YakutiaManchuriaInner Mongolia — steppe borders (5): Beijing, Central Siberia, Manchuria, Mongolia, SichuanInner MongoliaXinjiang — steppe borders (7): Kazakhstan, Kyrgyzstan, Mongolia, Sichuan, Tajikistan, Tibet, Western SiberiaXinjiangBeijing — china borders (4): Inner Mongolia, Manchuria, Shandong, SichuanBeijingShandong — china borders (3): Beijing, Shanghai, SichuanShandongShanghai — china borders (3): Guangdong, Shandong, SichuanShanghaiSichuan — china borders (9): Beijing, Guangdong, Inner Mongolia, Mongolia, Shandong, Shanghai, Tibet, Xinjiang, YunnanSichuanGuangdong — china borders (3): Shanghai, Sichuan, YunnanGuangdongYunnan — china borders (3): Guangdong, Sichuan, TibetYunnanTibet — china borders (3): Sichuan, Xinjiang, YunnanTibetNunavut — canada_east borders (3): Quebec, Saskatchewan, GreenlandNunavutSaskatchewan — canada_east borders (2): Nunavut, OntarioSaskatchewanOntario — canada_east borders (2): Quebec, SaskatchewanOntarioQuebec — canada_east borders (3): The Maritimes, Nunavut, OntarioQuebecThe Maritimes — canada_east borders (1): QuebecThe MaritimesGreenland — canada_east borders (2): Nunavut, IcelandGreenland