Floods are defined as the overflow of water which submerges parts of dry land. They can be extremely destructive in nature and pose a great risk to public health. Floods occur due to excess rainfall or when water flow exceeds the channel's capacity in a water body. Flood risk management is a modern day approach to deal with flood risks. It aims to reduce the damage to life and property in ways that balance this aim against other considerations. It makes use of hydrological modeling to forecast floods. This book is a compilation of chapters that discuss the most vital concepts and emerging trends in the field of flood risk management. From theories to research to practical applications, case studies related to all contemporary topics of relevance to this field have been included herein. As this field is emerging at a rapid pace, the contents of this book will help the readers understand the modern concepts and applications of the subject.