This chapter will investigate the critical function of urban design and planning within the larger context of landscape architecture and design. The chapter will look at the concepts, procedures, and practices that drive successful urban design and planning initiatives from a variety of perspectives. The chapter will also explore the changing difficulties and opportunities confronting contemporary urban environments, such as growing urbanization, climate change, social inequality, and technological breakthroughs. It emphasizes the importance of using innovative and adaptive urban planning and design strategies that promote equity, resilience, and environmental stewardship. Using a variety of case studies and best practices, the chapter will highlight remarkable urban design and planning initiatives from around the world. These examples will show how purposeful design interventions can greatly improve the standard of living for city residents while also fostering sustainable urban expansion.