Egypt — nile borders (2): Sinai, SudanEgyptSudan — nile borders (4): Egypt, Eritrea, Ethiopia, South SudanSudanSouth Sudan — nile borders (4): 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 (4): Ethiopia, Somalia, South Sudan, UgandaKenyaUganda — horn borders (2): Kenya, South SudanUgandaKarelia — russia_west borders (3): Moscow, Novgorod, Western UralsKareliaNovgorod — russia_west borders (2): Karelia, MoscowNovgorodMoscow — russia_west borders (6): The Don, Karelia, Novgorod, Eastern Ukraine, Western Urals, The VolgaMoscowEastern Ukraine — russia_west borders (2): The Don, MoscowEastern UkraineThe Don — russia_west borders (5): The Caucasus, Georgia, 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 UralsGeorgia — caucasus borders (4): Armenia, Azerbaijan, The Caucasus, The DonGeorgiaArmenia — caucasus borders (3): Azerbaijan, Georgia, Northern IranArmeniaAzerbaijan — caucasus borders (4): Armenia, The Caucasus, Georgia, Northern IranAzerbaijanThe Caucasus — caucasus borders (3): Azerbaijan, The Don, GeorgiaThe CaucasusSyria — levant borders (4): Iraq, Israel, Jordan, LebanonSyriaLebanon — levant borders (2): Israel, SyriaLebanonIsrael — levant borders (4): Jordan, Lebanon, Sinai, SyriaIsraelJordan — levant borders (5): Hejaz, Iraq, Israel, Najd, SyriaJordanIraq — levant borders (6): 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 (6): 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