Nature of Human Geography is inter-disciplinary. In order to understand and describe the human elements found on the earth, human geography has established strong bond with other social sciences and their helping subjects. With the expansion of knowledge, new subjects keep on developing. These are studied with humanistic approach but because they are not free from geographical and environmental effects, they become subject matter of human geography. Fields under Human Geography include: Social Geography, Urban Geography, Political Geography, Population Geography, Settlement Geography and Economic Geography.