Aleppo
The second largest city, Aleppo, lays claim to being the oldest continuously inhabited city in the world. In the center of Aleppo is the magnificent Aleppo Citadel, considered to be the oldest in the world, the Great Mosque, and the Aleppo souk, which is the longest covered souk in the world. There are over 200 'Dead Cities' within a radius of 60km around Aleppo, some of which date back to the first century AD.