The World’s 20 oldest Cities

4. Aleppo, Syria: The earliest inhabitants settled in 4,300 BC.

3. Byblos, Lebanon: The earliest inhabitants settled in 5,000 BC.

2. Jericho, Palestinian Territories: The earliest inhabitants settled in 9,000 BC. Fortifications unearthed in Jericho dating back to 6,800 BC confirm that it is the earliest known walled city.

1. Ile ife, Nigeria: The earliest inhabitants settled in 10,000 BC.