Baghdad – the capital and largest city of Iraq. After that Tehran is the largest city in Southwest Asia, the estimates are that this city has 8.6 million inhabitants (the whole of Iraq has 39 million inhabitants). This town lies on the river Tigris and is considered one of the oldest cities in the world. The city is divided into residential, diplomatic, economic, military zones, collapsed because of security in the city has a large number of army checkpoints and police searched the vehicle. Baghdad has a developed infrastructure, a large number of roads and railways. This town is classified as the most dangerous capital in the world to live. The official languages are Arabic and Kurdish.