Morocco — maghreb borders (3): Algeria, Andalusia, Western SaharaMoroccoWestern Sahara — maghreb borders (3): Algeria, Mauritania, MoroccoWestern SaharaAlgeria — maghreb borders (7): Libya, Mali, Mauritania, Morocco, Niger, Tunisia, Western SaharaAlgeriaTunisia — maghreb borders (3): Algeria, Libya, SicilyTunisiaLibya — maghreb borders (4): Algeria, Chad, Niger, TunisiaLibyaMauritania — sahel borders (3): Algeria, Mali, Western SaharaMauritaniaMali — sahel borders (4): Algeria, Burkina Faso, Mauritania, NigerMaliNiger — sahel borders (7): Algeria, Benin, Burkina Faso, Chad, Libya, Mali, NigeriaNigerChad — sahel borders (4): Cameroon, Libya, Niger, NigeriaChadBurkina 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 (2): Chad, NigeriaCameroonPortugal — iberia borders (3): Andalusia, Castile, GaliciaPortugalGalicia — iberia borders (2): Castile, PortugalGaliciaCastile — iberia borders (4): Andalusia, Catalonia, Galicia, PortugalCastileCatalonia — iberia borders (1): CastileCataloniaAndalusia — iberia borders (3): Castile, Morocco, PortugalAndalusiaPiedmont — italy borders (2): Lombardy, TuscanyPiedmontTyrol — italy borders (1): VenetoTyrolLombardy — italy borders (3): Piedmont, Tuscany, VenetoLombardyVeneto — italy borders (4): Lombardy, Slovenia, Tuscany, TyrolVenetoTuscany — italy borders (4): Lazio, Lombardy, Piedmont, VenetoTuscanyLazio — italy borders (2): Campania, TuscanyLazioCampania — italy borders (2): Apulia, LazioCampaniaApulia — italy borders (2): Campania, SicilyApuliaSicily — italy borders (2): Apulia, TunisiaSicilySlovenia — balkans borders (2): Croatia, VenetoSloveniaCroatia — 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 (2): Albania, MacedoniaGreece