Egypt — nile borders (2): Sinai, SudanEgyptSudan — nile borders (5): Central African Republic, 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, SudanEritreaDjibouti — 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 (4): 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 (4): Angola, Central African Republic, DR Congo, GabonCongoGabon — congo_basin borders (2): Congo, Equatorial GuineaGabonEquatorial Guinea — congo_basin borders (1): GabonEquatorial GuineaAngola — congo_basin borders (3): Congo, DR Congo, ZambiaAngolaRwanda — great_lakes borders (4): Burundi, DR Congo, Tanzania, UgandaRwandaBurundi — great_lakes borders (3): DR Congo, Rwanda, TanzaniaBurundiTanzania — great_lakes borders (7): Burundi, DR Congo, Kenya, Malawi, Rwanda, Uganda, ZambiaTanzaniaZambia — great_lakes borders (4): Angola, DR Congo, Malawi, TanzaniaZambiaMalawi — great_lakes borders (2): Tanzania, ZambiaMalawiSlovenia — balkans borders (1): CroatiaSloveniaCroatia — balkans borders (4): Bosnia, Montenegro, Serbia, SloveniaCroatiaBosnia — balkans borders (3): Croatia, Montenegro, SerbiaBosniaSerbia — balkans borders (4): Bosnia, Croatia, Macedonia, MontenegroSerbiaMontenegro — balkans borders (4): Albania, Bosnia, Croatia, SerbiaMontenegroAlbania — balkans borders (3): Greece, Macedonia, MontenegroAlbaniaMacedonia — balkans borders (3): Albania, Greece, SerbiaMacedoniaGreece — balkans borders (3): Albania, Macedonia, ThraceGreeceThrace — anatolia borders (2): Western Anatolia, GreeceThraceWestern Anatolia — anatolia borders (2): Central Anatolia, ThraceWestern AnatoliaCentral Anatolia — anatolia borders (4): Eastern Anatolia, Western Anatolia, Syria, CyprusCentral AnatoliaEastern Anatolia — anatolia borders (6): Central Anatolia, Armenia, Azerbaijan, Georgia, Iraq, SyriaEastern AnatoliaCyprus — anatolia borders (2): Central Anatolia, SyriaCyprusGeorgia — caucasus borders (4): Eastern Anatolia, Armenia, Azerbaijan, The CaucasusGeorgiaArmenia — caucasus borders (3): Eastern Anatolia, Azerbaijan, GeorgiaArmeniaAzerbaijan — caucasus borders (4): Eastern Anatolia, Armenia, The Caucasus, GeorgiaAzerbaijanThe Caucasus — caucasus borders (2): Azerbaijan, GeorgiaThe CaucasusSyria — 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 (5): Hejaz, Iraq, Israel, Najd, SyriaJordanIraq — levant borders (5): Eastern Anatolia, Jordan, Kuwait, Najd, SyriaIraqSinai — levant borders (2): Egypt, IsraelSinaiHejaz — arabia borders (3): Jordan, Najd, YemenHejazNajd — arabia borders (7): The Gulf States, Hejaz, Iraq, Jordan, Kuwait, Oman, YemenNajdKuwait — arabia borders (3): Iraq, Najd, The Gulf StatesKuwaitThe Gulf States — arabia borders (3): Najd, Oman, KuwaitThe Gulf StatesOman — arabia borders (3): The Gulf States, Najd, YemenOmanYemen — arabia borders (3): Hejaz, Najd, OmanYemen