Rivers (Nile, Tigris, Euphrates), springs, oases—essential for drinking, agriculture, transport. Examples: Cairo, Baghdad, Basra.
Crossroads of Europe-Asia-Africa caravan and maritime routes. Strategic nodes became commercial hubs: Damascus, Aleppo, Istanbul.
Oil/gas in the Gulf fueled rapid growth of Dubai, Abu Dhabi, Doha, etc.
Capitals founded for control: Baghdad (Abbasid), Jerusalem (religious/political).
Pilgrimage centers: Mecca, Medina, Jerusalem, Najaf, Karbala.
Port cities on Mediterranean (Beirut, Tel Aviv); mountain strongholds (Amman, Sana’a).
These factors interact dynamically; new cities emerge (e.g., NEOM) while others decline.