The emergence of Mohenjo-Daro from the prehistoric landscape of the Indus Valley represents one of the most remarkable transformations in human history. Around 3300 BCE, small farming communities scattered across the river valley began a gradual process of social and technological development that would culminate in the creation of the world's first planned cities. This transformation was neither sudden nor isolated, but represented the culmination of centuries of agricultural innovation, craft specialization, and social organization that enabled human communities to transcend the limitations of village life and create urban centers of unprecedented scale and complexity.
The geographical setting of Mohenjo-Daro profoundly influenced every aspect of its development and character. Located in what is now southern Pakistan, approximately 400 kilometers northeast of Karachi, the city occupied a strategic position on the west bank of the Indus River that provided access to both riverine transportation and the rich agricultural lands of the surrounding floodplain. The Indus River, one of the longest rivers in Asia, served as the lifeblood of the civilization, providing water for irrigation, transportation for trade, and the annual floods that deposited the fertile silt essential for agricultural productivity.