As global cities grapple with the pressures of rapid urbanization and environmental degradation, the pursuit of integrated, sustainability-driven planning models has become a strategic priority. Transit-Oriented Development (TOD), which emphasizes the alignment of land use and public transport infrastructure, is increasingly recognized as a viable framework for fostering compact, accessible, and low-carbon urban growth. With an emphasis on land use strategies surrounding metro stations, this thesis examines the opportunities and difficulties of implementing TOD in Tehran. Despite significant investments in the development of Tehran's metro system, the land use in nearby neighborhoods—which is typified by low-density development, monofunctional zoning, and restricted pedestrian accessibility—remains inadequately integrated with the transit infrastructure.