Hawler (Erbil), Kurdistan is one of the oldest cities in the world and it’ Citadel is  the oldest constantly inhabited place in the whole world.  Erbil’s  historical site  is recognized by Archaeologists all around the world and  its existence dates back to 7000 years.  Historically during long sieges and enemy attacks, the Kurds took refuge.  If we look at the city we can see that the citadel of Erbil is the heart of the city and everything is build around it. Essentially, the entire city has been built around this ancient historical site. All roads and streets connect to the core, in this case the Citadel.