Geography is a subject that has various dimensions. Broadly divided into physical and human geography, the subject includes socio-economic, environmental, and political aspects besides drawing from scientific disciplines, such as geology, climatology, and pedology. How human activity affects and is affected by changes on the surface of Earth is another of its concerns. This book is a serious attempt to present the essentials of this vast subject concisely, and overviews various aspects related to the geography of the world including that of India.