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 (4): Kazakhstan, Moscow, Eastern Ukraine, The VolgaThe DonThe Volga — russia_west borders (4): The Don, Kazakhstan, Moscow, Western UralsThe VolgaWestern Urals — russia_west borders (4): Karelia, Kazakhstan, Moscow, The VolgaWestern UralsThrace — 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 (4): Central Anatolia, Northern Iran, 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 (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 (5): Eastern Anatolia, Eastern Iran, Southern Iran, Iraq, KhorasanNorthern IranSouthern Iran — persia borders (3): Eastern Iran, Northern Iran, IraqSouthern IranEastern Iran — persia borders (4): Baluchistan, Northern Iran, Southern Iran, KhorasanEastern IranKhorasan — persia borders (3): Eastern Iran, Northern Iran, TurkmenistanKhorasanBaluchistan — persia borders (1): Eastern IranBaluchistanKazakhstan — central_asia borders (6): The Don, Kyrgyzstan, Turkmenistan, Western Urals, Uzbekistan, The VolgaKazakhstanUzbekistan — central_asia borders (4): Kazakhstan, Kyrgyzstan, Tajikistan, TurkmenistanUzbekistanTurkmenistan — central_asia borders (3): Kazakhstan, Khorasan, UzbekistanTurkmenistanTajikistan — central_asia borders (2): Kyrgyzstan, UzbekistanTajikistanKyrgyzstan — central_asia borders (3): Kazakhstan, Tajikistan, UzbekistanKyrgyzstan