This book explores interdisciplinary technological advancements in smart cities. The book begins with a comprehensive study of smart cities, followed by their benefits and shortcomings. The authors show how, with the help of digital technology, cities are becoming more sustainable and efficient, leading to a better quality of life. The book includes a comprehensive review of literature, research works, and case studies, which are presented to demonstrate how various technologies can be integrated into smart cities. The book includes scenarios in smart agriculture, smart transportation, smart healthcare and more. This book also offers researchers, students, academicians, and professionals working in this field an extensive range of smart city applications.