Data centers are increasingly being recognized as the physical backbone of the digital infrastructure and global economy. This book intends to provide an introduction to data centers, including components, functions, and their impact on global economics, governance, and sustainability. It elaborates on the essence of the data centers in the evolving digital ecosystems through use cases like Dublin, Singapore, and India. Ideal for leaders, thinkers, and builders. Aims to serve as an effective handbook about data centers and how they shape our future.