Which region of the world has the most ancient cities?

So, most of the ancient cities are, of course, in Asia and the Middle East. If we talk about Asia, then here, for example, there is a city called Bukhara. This settlement was founded in the fourth century BC. Today the area of this settlement is forty square kilometers. This city is located in Uzbekistan. Also in this country there is a city called Khiva. This settlement was also founded in the fourth century BC. It is located on the border with Turkmenistan.