Asma Th. Ibraheem, Zainab H. Mahdi, Thikra Najah, The Use of (AHP) GIS Extension to Determine the Optimum Locations, Journal of Engineering and Applied Sciences, Volume 14,Issue 3, 2019, Pages 750-758, ISSN 1816-949x, jeasci.2019.750.758, (https://makhillpublications.co/view-article.php?doi=jeasci.2019.750.758) Abstract: Considering everything that’s occurring in the study area the (Middle Technical University) (MTU) which is located in Baghdad/Al-Zafarania it is essential to locate the optimum location for numerous facilities of the university (health Centre, mosque, cafeteria, parking) and for that reason the GIS extension (Analytical Hierarchy Process) (extAHP 2.0) is implemented in this research, the used criteria are: proximity to the existing facility, proximity to classrooms, proximity to the borders. Keywords: Extension;optimum;analytical;proximity;facilities;implemented