Explaining the agency's mind in recognizing geographic space within the framework of existentialism, with emphasis on Jean-Paul Sartre's Viewpoint

In philosophy of science, particularly in the human sciences, concepts have Multiple meanings even have contradictory definition from ontological and epistemological aspects in different philosophical schools. Therefore, determination The theoretical framework for understanding of fundamental concepts, are most important in the study and understanding of the concepts in human sciences. One of the key concepts and paradigms in Geographical Sciences, concept of space and its planning, logistics, and general changes in the governance space and how to explain it. In this article endeavors theoretical concept of geographical space as a fundamental concept of geographical sciences be explained in existentialism school. So, this is a qualitative research and data has been collected with using of valid library documentations and this article is kind of Fundamental and qualitative research and for data analyzing method was used from descriptive and analytical approaches. In the first step have been struggled with using literature and theoretical resources to define the concept of space and existentialism. Then, by combining these two concepts, is provided redefining the concept of space. Finding research reveals that in this school the emergence of space in the structural and functional aspects appears from mental activity therefore space has temporal – place nature.