Ancient cities were urban centers that flourished thousands of years ago, often serving as hubs for trade, culture, and governance. Examples include Babylon, Athens, and Rome, each known for their unique contributions to civilization, such as architecture, philosophy, and law. These cities were typically characterized by their complex social structures and advanced infrastructure, including roads, aqueducts, and public buildings. Many ancient cities were strategically located near rivers or coastlines, facilitating trade and communication. They often featured monumental structures like temples and palaces, reflecting the values and beliefs of their societies. The study of these cities provides valuable insights into the daily lives, economies, and cultures of early human civilizations.