This study was carried out within the framework of multi-criteria decsion analysis approch Analytic Hierarchy Process by integrating with Geographic Information System (GIS).This reasearch work can be applied in all kind of pulic facilities planning determining any kind of suitable sites. This is a sustainable development planning method applied. Therefore, it is a useful technique in town planning decision-making process by using GIS-based MCDA method finding sustainable sselection of development sites.