Chronological summary of the expedition of Alexander the Great into Asia against the Persian Empire of king Darius III, with indication of the countries/places visited or simply crossed, including the most important battles/sieges and the cities founded (Alexandrias). The events of the expedition are shown in chronological order. For each event is given, separated by ― : 1) Date of event, 2) Places/cities crossed, indicated by Ancient name (Present name, Country), 3) Regions, provinces or Persian satrapies of the places/cities crossed, with indication of their capital cities (where appropriate).