Urban sociology is the study of social life, interactions, and structures in urban areas. It examines how city environments shape human behavior and social institutions. This subfield of sociology emerged in response to rapid urbanization and industrialization, focusing on how cities influence economic, political, and social dynamics. The history of urban sociology is deeply connected with broader social transformations, from the rise of industrial capitalism to globalization and digital urban life. Here we trace the development of urban sociology from its early theoretical foundations to its contemporary relevance, highlighting key scholars, theories, and methodological approaches. Early Foundations of Urban Sociology Urban sociology as a formal discipline emerged in the late 19th and early 20th centuries as sociologists sought to understand the social impact of industrialization and urbanization. The rapid growth of cities, driven by the Industrial Revolution, led to mass migra...