Mauritania — sahel borders (2): Mali, SenegalMauritaniaMali — sahel borders (6): Burkina Faso, Guinea, Ivory Coast, Mauritania, Niger, SenegalMaliNiger — sahel borders (3): Burkina Faso, Chad, MaliNigerChad — sahel borders (1): NigerChadBurkina Faso — sahel borders (4): Ghana, Ivory Coast, Mali, NigerBurkina FasoSenegal — guinea_coast borders (4): Guinea, Mali, Mauritania, The NordesteSenegalGuinea — guinea_coast borders (5): Ivory Coast, Liberia, Mali, Senegal, Sierra LeoneGuineaSierra Leone — guinea_coast borders (2): Guinea, LiberiaSierra LeoneLiberia — guinea_coast borders (3): Guinea, Ivory Coast, Sierra LeoneLiberiaIvory Coast — guinea_coast borders (5): Burkina Faso, Ghana, Guinea, Liberia, MaliIvory CoastGhana — guinea_coast borders (2): Burkina Faso, Ivory CoastGhanaBrittany — gaul borders (2): Aquitaine, NormandyBrittanyNormandy — gaul borders (5): Alsace, Aquitaine, Brittany, Burgundy, FlandersNormandyAquitaine — gaul borders (4): Brittany, Burgundy, Normandy, ProvenceAquitaineBurgundy — gaul borders (5): Alsace, Aquitaine, Normandy, Provence, SwitzerlandBurgundyProvence — gaul borders (2): Aquitaine, BurgundyProvenceAlsace — gaul borders (6): Bavaria, Burgundy, Flanders, Normandy, Rhineland, SwitzerlandAlsaceFlanders — low_countries borders (5): Alsace, Holland, Normandy, Rhineland, WestphaliaFlandersHolland — 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 (4): Finland, Karelia, Sweden, 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 (5): Alsace, Austria, Rhineland, Saxony, SwitzerlandBavariaBohemia — central_europe borders (3): Austria, Poland, SlovakiaBohemiaSlovakia — central_europe borders (5): Austria, Bohemia, Hungary, Poland, Western UkraineSlovakiaAustria — central_europe borders (4): Bavaria, Bohemia, Hungary, SlovakiaAustriaSwitzerland — central_europe borders (3): Alsace, Bavaria, BurgundySwitzerlandHungary — carpathia borders (4): Austria, Romania, Slovakia, Western UkraineHungaryPoland — carpathia borders (7): Belarus, Bohemia, Kaliningrad, Lithuania, Saxony, Slovakia, Western UkrainePolandRomania — carpathia borders (4): Bulgaria, Hungary, Moldova, Western UkraineRomaniaMoldova — carpathia borders (2): Romania, Western UkraineMoldovaBulgaria — carpathia borders (1): RomaniaBulgariaWestern 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 (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 UralsAlaska — 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 (2): Colombia, 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 (2): Puerto Rico, VenezuelaThe Lesser AntillesColombia — andes borders (5): Amazonas, Ecuador, Panama, Peru, VenezuelaColombiaVenezuela — andes borders (4): Amazonas, Colombia, Guyana, The Lesser AntillesVenezuelaEcuador — andes borders (2): Colombia, PeruEcuadorPeru — andes borders (5): Amazonas, Bolivia, Chile, Colombia, EcuadorPeruBolivia — andes borders (3): Amazonas, Chile, PeruBoliviaChile — andes borders (2): Bolivia, PeruChileGuyana — amazonia borders (4): Amazonas, Para, Suriname, VenezuelaGuyanaSuriname — amazonia borders (2): Guyana, ParaSurinameAmazonas — amazonia borders (6): Bolivia, Colombia, Guyana, Para, Peru, VenezuelaAmazonasPara — amazonia borders (4): Amazonas, Guyana, The Nordeste, SurinameParaThe Nordeste — amazonia borders (2): Para, SenegalThe Nordeste