The oldest city in the world is........
One way of answering the question about which are the oldest cities in the world is to define city as a largely populous area, and further define that only cities that have been continuously populated count. This helps to clarify which are the oldest cities in the world according to the above criteria. However, listings are still subject to debate even when these two areas are defined.
In spite of controversy, a list of the oldest cities might resemble the following:
Byblos in present-day Lebanon may date back as far as 5000 BCE and is considered by many to be the oldest continuously populated city. Damascus in Syria has existed at least since 3000 BCE. Varans ...more
Source: http://www.math.dartmouth.edu/~klyve/travel/israel/jericho/index. html
Damascus in Syria does have a consensus as the oldest known city with uninterrupted habitation.