This chapter delineates the content and significance of the book, Geospatial Science for Urban Ecosystems: Insights from India and Beyond, which meticulously examines the evolution and pivotal role of urban ecosystem research. It underscores the symbiotic relationship between nature and human-created environments within contemporary Indian cities, employing geospatial science as a crucial tool. The book accentuates the indispensable role of geospatial science in orchestrating a complex interplay of social, economic, and environmental factors that mold urban environments in India and globally. Illustrative applications of geospatial tools are showcased through a diverse array of case studies, encompassing various facets such as transportation planning and climate change adaptation, with a specific focus on the Indian context. At its essence, this chapter endeavors to furnish a comprehensive comprehension of the dynamic essence of urban environments, adept at navigating demographic shifts, technological advancements, and environmental challenges. It also presents an outline of the book’s chapters. By accentuating urban ecosystems as the linchpin of sustainable urban development, the chapter endeavors to instill a deeper appreciation for this interdisciplinary realm of study. Ultimately, it beckons readers to embark on a captivating journey through the amalgamation of urban ecosystems and geospatial science, wherein innovative paradigms shape the trajectory of cities, both in India and beyond.