Egypt — nile borders (2): Sinai, SudanEgyptSudan — nile borders (6): Central African Republic, Chad, Egypt, Eritrea, Ethiopia, South SudanSudanSouth Sudan — nile borders (6): Central African Republic, DR Congo, Ethiopia, Kenya, Sudan, UgandaSouth SudanEthiopia — nile borders (6): Djibouti, Eritrea, Kenya, Somalia, South Sudan, SudanEthiopiaEritrea — nile borders (3): Djibouti, Ethiopia, SudanEritreaMauritania — sahel borders (2): Mali, SenegalMauritaniaMali — sahel borders (6): Burkina Faso, Guinea, Ivory Coast, Mauritania, Niger, SenegalMaliNiger — sahel borders (5): Benin, Burkina Faso, Chad, Mali, NigeriaNigerChad — sahel borders (5): Cameroon, Central African Republic, Niger, Nigeria, SudanChadBurkina Faso — sahel borders (6): Benin, Ghana, Ivory Coast, Mali, Niger, TogoBurkina FasoSenegal — guinea_coast borders (3): Guinea, Mali, MauritaniaSenegalGuinea — 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 (3): Burkina Faso, Ivory Coast, TogoGhanaTogo — niger_delta borders (3): Benin, Burkina Faso, GhanaTogoBenin — niger_delta borders (4): Burkina Faso, Niger, Nigeria, TogoBeninNigeria — niger_delta borders (4): Benin, Cameroon, Chad, NigerNigeriaCameroon — niger_delta borders (6): Central African Republic, Chad, Congo, Equatorial Guinea, Gabon, NigeriaCameroonDjibouti — horn borders (3): Eritrea, Ethiopia, SomaliaDjiboutiSomalia — horn borders (3): Djibouti, Ethiopia, KenyaSomaliaKenya — horn borders (5): Ethiopia, Somalia, South Sudan, Tanzania, UgandaKenyaUganda — horn borders (5): DR Congo, Kenya, Rwanda, South Sudan, TanzaniaUgandaCentral African Republic — congo_basin borders (6): Cameroon, Chad, Congo, DR Congo, South Sudan, SudanCentral African RepublicDR Congo — congo_basin borders (9): Angola, Burundi, Central African Republic, Congo, Rwanda, South Sudan, Tanzania, Uganda, ZambiaDR CongoCongo — congo_basin borders (5): Angola, Cameroon, Central African Republic, DR Congo, GabonCongoGabon — congo_basin borders (3): Cameroon, Congo, Equatorial GuineaGabonEquatorial Guinea — congo_basin borders (2): Cameroon, GabonEquatorial GuineaAngola — congo_basin borders (4): Congo, DR Congo, Namibia, ZambiaAngolaRwanda — great_lakes borders (4): Burundi, DR Congo, Tanzania, UgandaRwandaBurundi — great_lakes borders (3): DR Congo, Rwanda, TanzaniaBurundiTanzania — great_lakes borders (8): Burundi, DR Congo, Kenya, Malawi, Mozambique, Rwanda, Uganda, ZambiaTanzaniaZambia — great_lakes borders (7): Angola, DR Congo, Malawi, Mozambique, Namibia, Tanzania, ZimbabweZambiaMalawi — great_lakes borders (3): Mozambique, Tanzania, ZambiaMalawiNamibia — zambezi borders (4): Angola, Botswana, Northern Cape, ZambiaNamibiaBotswana — zambezi borders (5): Gauteng, Limpopo, Namibia, Northern Cape, ZimbabweBotswanaZimbabwe — zambezi borders (4): Botswana, Limpopo, Mozambique, ZambiaZimbabweMozambique — zambezi borders (9): Eswatini, Gauteng, KwaZulu-Natal, Limpopo, Malawi, Tanzania, Zambia, Zimbabwe, MadagascarMozambiqueMadagascar — zambezi borders (1): MozambiqueMadagascarLimpopo — cape borders (4): Botswana, Gauteng, Mozambique, ZimbabweLimpopoGauteng — cape borders (8): Botswana, Eastern Cape, Eswatini, KwaZulu-Natal, Lesotho, Limpopo, Mozambique, Northern CapeGautengNorthern Cape — cape borders (5): Botswana, Eastern Cape, Gauteng, Namibia, Western CapeNorthern CapeWestern Cape — cape borders (2): Eastern Cape, Northern CapeWestern CapeEastern Cape — cape borders (5): Gauteng, KwaZulu-Natal, Lesotho, Northern Cape, Western CapeEastern CapeKwaZulu-Natal — cape borders (5): Eastern Cape, Eswatini, Gauteng, Lesotho, MozambiqueKwaZulu-NatalLesotho — cape borders (3): Eastern Cape, Gauteng, KwaZulu-NatalLesothoEswatini — cape borders (3): Gauteng, KwaZulu-Natal, MozambiqueEswatiniPiedmont — italy borders (2): Lombardy, 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 (1): 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 (4): Hungary, Moldova, Poland, RomaniaWestern UkraineThrace — anatolia borders (3): Western Anatolia, Bulgaria, GreeceThraceWestern Anatolia — anatolia borders (2): Central Anatolia, ThraceWestern AnatoliaCentral Anatolia — anatolia borders (4): Eastern Anatolia, Western Anatolia, Syria, CyprusCentral AnatoliaEastern Anatolia — anatolia borders (3): Central Anatolia, Iraq, SyriaEastern AnatoliaCyprus — anatolia borders (2): Central Anatolia, SyriaCyprusSyria — levant borders (7): Central Anatolia, Eastern Anatolia, Iraq, Israel, Jordan, Lebanon, CyprusSyriaLebanon — levant borders (2): Israel, SyriaLebanonIsrael — levant borders (4): Jordan, Lebanon, Sinai, SyriaIsraelJordan — levant borders (3): Iraq, Israel, SyriaJordanIraq — levant borders (3): Eastern Anatolia, Jordan, SyriaIraqSinai — levant borders (2): Egypt, IsraelSinai