Geography is that discipline that seeks to describe and interpret the variable character from place to place of the earth as the world of man. - Richard Hartshorne

Numerous geographers writing in recent years concerning the nature and scope of their subject have described the relation of their field to other fields of science in terms of a concept said to stem from Immanuel Kant and from Alexander von Humboldt. Whatever may be the original source of the concept, its importance in the current geographic thought stems from the writing of , the German master of the methodology of geography.

The border position of geography between the natural and the social sciences is fairly generally recognized. Concerned primarily with differences in the different areas of the world, geography studies both natural and cultural features. In some universities, it is included among the natural sciences, in other among the social scientists. In England and America, geographers have particularly cultivated that portion of their field which leads naturally into economics, i.e. .

The unique purpose of geography is to seek comprehension of the variable character of areas in terms of all the interrelated features which together form that variable character.