Egypt — nile borders (1): SudanEgyptSudan — nile borders (6): Central African Republic, Chad, Egypt, Eritrea, Ethiopia, South SudanSudanSouth Sudan — nile borders (4): Central African Republic, DR Congo, Ethiopia, SudanSouth SudanEthiopia — nile borders (3): Eritrea, South Sudan, SudanEthiopiaEritrea — nile borders (2): Ethiopia, SudanEritreaMauritania — sahel borders (1): MaliMauritaniaMali — sahel borders (3): Burkina Faso, Mauritania, NigerMaliNiger — sahel borders (5): Benin, Burkina Faso, Chad, Mali, NigeriaNigerChad — sahel borders (5): Cameroon, Central African Republic, Niger, Nigeria, SudanChadBurkina Faso — sahel borders (4): Benin, Mali, Niger, TogoBurkina FasoTogo — niger_delta borders (2): Benin, Burkina FasoTogoBenin — 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, NigeriaCameroonCentral African Republic — congo_basin borders (6): Cameroon, Chad, Congo, DR Congo, South Sudan, SudanCentral African RepublicDR Congo — congo_basin borders (8): Angola, Burundi, Central African Republic, Congo, Rwanda, South Sudan, Tanzania, 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 (3): Burundi, DR Congo, TanzaniaRwandaBurundi — great_lakes borders (3): DR Congo, Rwanda, TanzaniaBurundiTanzania — great_lakes borders (6): Burundi, DR Congo, Malawi, Mozambique, Rwanda, 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, MozambiqueEswatini