The ancient city known for its impressive ziggurats and advanced society is Ur, located in present-day Iraq. Ur was one of the most significant urban centers of ancient Mesopotamia, flourishing around 3000 BCE during the early Bronze Age. Its architectural marvels, particularly the Ziggurat of Ur, showcased advanced engineering and religious significance. The city was also an essential hub for trade, culture, and governance. Ur contributed to developments in writing, law, and the arts, influencing subsequent civilizations in the region and symbolizing the sophistication of early urban life.