A short answer to this question could be 'to know about the world in which we live '.The word 'Geography' is derived from the Greek word 'Geographia'.'Geo' means the earth and 'graphia' means description. Hence geography may be defined as ' the description of the earth'. But, in order to know the detail about the subject we need to explore what it really deals with. Geography, in fact, is the study of the earth including the living creature on it, especially human beings. It is also the study of space and the resources of the earth. It is the study of the earth's surface as the home of living creatures.