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, ZambiaMalawiThrace — anatolia borders (1): Western AnatoliaThraceWestern Anatolia — anatolia borders (2): Central Anatolia, ThraceWestern AnatoliaCentral Anatolia — anatolia borders (4): Eastern Anatolia, Western Anatolia, Syria, CyprusCentral AnatoliaEastern Anatolia — anatolia borders (7): Central Anatolia, Armenia, Azerbaijan, Georgia, Northern Iran, Iraq, SyriaEastern AnatoliaCyprus — anatolia borders (2): Central Anatolia, SyriaCyprusGeorgia — caucasus borders (4): Eastern Anatolia, Armenia, Azerbaijan, The CaucasusGeorgiaArmenia — caucasus borders (4): Eastern Anatolia, Azerbaijan, Georgia, Northern IranArmeniaAzerbaijan — caucasus borders (5): Eastern Anatolia, Armenia, The Caucasus, Georgia, Northern IranAzerbaijanThe 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 (7): Eastern Anatolia, Northern Iran, Southern Iran, 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, OmanYemenNorthern Iran — persia borders (7): Eastern Anatolia, Armenia, Azerbaijan, Eastern Iran, Southern Iran, Iraq, KhorasanNorthern IranSouthern Iran — persia borders (3): Eastern Iran, Northern Iran, IraqSouthern IranEastern Iran — persia borders (6): Afghanistan, Baluchistan, Northern Iran, Southern Iran, Khorasan, SindhEastern IranKhorasan — persia borders (3): Afghanistan, Eastern Iran, Northern IranKhorasanBaluchistan — persia borders (3): Afghanistan, Eastern Iran, SindhBaluchistanAfghanistan — hindu_kush borders (5): Baluchistan, Eastern Iran, Khorasan, Northern Pakistan, SindhAfghanistanNorthern Pakistan — hindu_kush borders (4): Afghanistan, Kashmir, Sindh, PunjabNorthern PakistanSindh — hindu_kush borders (4): Afghanistan, Baluchistan, Eastern Iran, Northern PakistanSindhKashmir — hindu_kush borders (2): Northern Pakistan, PunjabKashmirPunjab — hindu_kush borders (2): Kashmir, Northern PakistanPunjab