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, PortugalAndalusiaBrittany — gaul borders (2): Aquitaine, NormandyBrittanyNormandy — gaul borders (5): Alsace, Aquitaine, Brittany, Burgundy, FlandersNormandyAquitaine — gaul borders (6): Brittany, Burgundy, Castile, Catalonia, Normandy, ProvenceAquitaineBurgundy — gaul borders (5): Alsace, Aquitaine, Normandy, Piedmont, ProvenceBurgundyProvence — gaul borders (4): Aquitaine, Burgundy, Catalonia, PiedmontProvenceAlsace — gaul borders (4): Burgundy, Flanders, Normandy, RhinelandAlsaceFlanders — low_countries borders (5): Alsace, Holland, Normandy, Rhineland, WestphaliaFlandersHolland — low_countries borders (2): Flanders, WestphaliaHollandRhineland — low_countries borders (3): Alsace, Flanders, WestphaliaRhinelandWestphalia — low_countries borders (4): Flanders, Holland, Jutland, RhinelandWestphaliaIceland — nordics borders (2): Norway, GreenlandIcelandNorway — nordics borders (4): Finland, Karelia, Sweden, IcelandNorwaySweden — nordics borders (4): Finland, Norway, Jutland, EstoniaSwedenFinland — nordics borders (4): Karelia, Norway, Novgorod, SwedenFinlandJutland — nordics borders (2): Westphalia, SwedenJutlandPiedmont — italy borders (4): Burgundy, Lombardy, Provence, TuscanyPiedmontTyrol — italy borders (1): VenetoTyrolLombardy — italy borders (3): Piedmont, Tuscany, VenetoLombardyVeneto — italy borders (4): Lombardy, Slovenia, 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): 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 (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 (5): Greece, Macedonia, Romania, Serbia, ThraceBulgariaWestern Ukraine — carpathia borders (7): Belarus, Hungary, Moldova, Moscow, Poland, Romania, 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 (5): Finland, Moscow, Norway, Novgorod, Western UralsKareliaNovgorod — 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 (3): 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 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 (1): Central AnatoliaEastern AnatoliaCyprus — anatolia borders (1): Central AnatoliaCyprusAlaska — canada_west borders (2): British Columbia, YukonAlaskaYukon — canada_west borders (3): Alaska, British Columbia, Northwest TerritoriesYukonNorthwest Territories — canada_west borders (5): Alberta, British Columbia, Nunavut, Saskatchewan, YukonNorthwest TerritoriesBritish Columbia — canada_west borders (6): Alaska, Alberta, Cascadia, Northwest Territories, The Rockies, YukonBritish ColumbiaAlberta — canada_west borders (4): British Columbia, Northwest Territories, The Rockies, SaskatchewanAlbertaNunavut — canada_east borders (4): Northwest Territories, Quebec, Saskatchewan, GreenlandNunavutSaskatchewan — canada_east borders (6): Alberta, The Dakotas, Northwest Territories, Nunavut, Ontario, The RockiesSaskatchewanOntario — canada_east borders (7): Appalachia, The Dakotas, The Great Lakes, The Mid-Atlantic, New England, Quebec, SaskatchewanOntarioQuebec — canada_east borders (4): The Maritimes, New England, Nunavut, OntarioQuebecThe Maritimes — canada_east borders (2): New England, QuebecThe MaritimesGreenland — canada_east borders (2): Nunavut, IcelandGreenlandCascadia — usa_west borders (4): British Columbia, California, The Great Basin, The RockiesCascadiaCalifornia — usa_west borders (4): Baja California, Cascadia, The Great Basin, The SouthwestCaliforniaThe Great Basin — usa_west borders (4): California, Cascadia, The Rockies, The SouthwestThe Great BasinThe Southwest — usa_west borders (6): Baja California, California, The Great Basin, The Rockies, Sonora, TexasThe SouthwestThe Rockies — usa_west borders (9): Alberta, British Columbia, Cascadia, The Dakotas, The Great Basin, Nebraska, Saskatchewan, The Southwest, TexasThe RockiesThe Dakotas — usa_central borders (6): The Great Lakes, Missouri, Nebraska, Ontario, The Rockies, SaskatchewanThe DakotasNebraska — usa_central borders (4): The Dakotas, Missouri, The Rockies, TexasNebraskaMissouri — usa_central borders (6): Appalachia, The Dakotas, Florida, The Great Lakes, Nebraska, TexasMissouriTexas — usa_central borders (6): Central Mexico, Missouri, Nebraska, The Rockies, Sonora, The SouthwestTexasThe Great Lakes — usa_central borders (4): Appalachia, The Dakotas, Missouri, OntarioThe Great LakesNew England — usa_east borders (4): The Maritimes, The Mid-Atlantic, Ontario, QuebecNew EnglandThe Mid-Atlantic — usa_east borders (3): Appalachia, New England, OntarioThe Mid-AtlanticAppalachia — usa_east borders (6): The Carolinas, Florida, The Great Lakes, The Mid-Atlantic, Missouri, OntarioAppalachiaThe Carolinas — usa_east borders (2): Appalachia, FloridaThe CarolinasFlorida — usa_east borders (4): Appalachia, The Carolinas, Missouri, CubaFloridaBaja California — mexico borders (3): California, Sonora, The SouthwestBaja CaliforniaSonora — mexico borders (4): Baja California, Central Mexico, The Southwest, TexasSonoraCentral Mexico — mexico borders (3): Sonora, Texas, YucatanCentral MexicoYucatan — mexico borders (3): Central Mexico, Guatemala, CubaYucatanGuatemala — central_america borders (2): Honduras, YucatanGuatemalaHonduras — central_america borders (2): Guatemala, NicaraguaHondurasNicaragua — central_america borders (2): Costa Rica, HondurasNicaraguaCosta Rica — central_america borders (2): Nicaragua, PanamaCosta RicaPanama — central_america borders (1): Costa RicaPanamaCuba — caribbean borders (4): Florida, Yucatan, Jamaica, HispaniolaCubaJamaica — caribbean borders (1): CubaJamaicaHispaniola — caribbean borders (2): Cuba, Puerto RicoHispaniolaPuerto Rico — caribbean borders (2): Hispaniola, The Lesser AntillesPuerto RicoThe Lesser Antilles — caribbean borders (1): Puerto RicoThe Lesser Antilles