Pentapolis refers to a group of five cities that were often associated with a specific region or cultural area in ancient times. The term is derived from the Greek words "penta," meaning five, and "polis," meaning city. One well-known example is the Pentapolis of Cyrenaica, which included cities like Cyrene, Apollonia, and Berenice in present-day Libya. These cities typically shared cultural, economic, and political ties, allowing them to collaborate on various matters. The concept of Pentapolis highlights the importance of urban centers in ancient civilizations, where trade, governance, and cultural exchange flourished among the interconnected cities.