Cities have been identified as carriers of development activities worldwide. Unfortunately, they are faced with a series of constraints. One among them is high population density in cities. In the next several years, 58.2 percent of the world and 75.8 percent of the European population will live in urban areas. According to current projections, by 2050 two-thirds of the world population will live in cities. Cities are confronted with constant need to increase energy consumption, transportation,

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... buildings, public spaces, etc. All of this points to the need for "smart" solutions that ensure economic prosperity and social wellbeing for cities' citizens. The most efficient way to achieve this is by mobilizing cities' resources and stakeholders using new technologies and policies. In the literature this concept is known as the Smart City concept. It contains several smart dimensions that relate to smart economy, smart people, smart governance, smart mobility, smart environment, and smart living. This book focuses on cities, with comprehensive investigation of development, management, governance, and monitoring approaches to create smart cities. Smart cities are defined in almost all chapters keeping in mind the appropriate dimension of smart cities. Definitions of smart cities are scattered throughout the book and in many respects coincide with the definitions imposed in other research papers. Contributions to the book represent the latest research of thirtytwo authors focusing on different aspects of methodologies and approaches, frameworks, current trends, case studies, and suggestions for further improvement of the Internet of Things (IoT)-based smart cities vision.