Kammala jumla mai zuwa: A shekara ta 335 kafin haihuwar Yesu, Alexander ya yi yaƙi da ƙabilar Thracian na Triballi a Haemus Mons da kuma Danube, ya tilasta musu su mika wuya a Tsibirin Peuce. Ba da daɗewa ba bayan haka, sarkin Illyrian Cleitus na Dardani ya yi barazanar kai wa Makidoniya hari, amma Iskandari ya ɗauki mataki kuma ya kewaye Dardani a Pelion (a Albania ta zamani). Lokacin da Thebes ya sake tayar da hankali daga Kungiyar Koranti kuma yana kewaye da sansanin Makidoniya a Cadmea, Alexander ya bar Illyrian gaba kuma ya yi tafiya zuwa Thebes, wanda ya
sanya shi a karkashin siege. Bayan sun karya ganuwar, sojojin Alexander sun kashe Thebans 6,000, suka ɗauki mazauna 30,000 a matsayin fursunonin yaƙi, kuma suka ƙone birnin zuwa ƙasa a matsayin gargadi wanda ya shawo kan sauran jihohin Girka sai dai Sparta kada su sake kalubalanci Alexander.