en پژوهشي Research <span style="font-size:9pt"><span minion="" pro="" style="font-family:"><b>Introduction</b>: The use of geographical information systems in the field of mental health has increased significantly in recent years. Geographic Information System (GIS) has brought about positive changes by identifying geospatial hotspots and disease hotspots and by linking mental health to the physical and geographic environment. The purpose of this research was the investigation of mental health based on geographical information systems in Ilam.</span></span><br> <span style="font-size:9pt"><span minion="" pro="" style="font-family:"><b>Materials & Methods</b><b><span style="font-size:11.0pt"><span new="" roman="" style="font-family:" times="">: </span></span></b>The present study was a descriptive-analytical study. The sample size was 507 participants that were selected by the clustering sampling method. The instrument used was the General Health Questionnaire (GHQ 28). To analyze different statistical tests, including descriptive statistics (frequency, percent), inferential statistics (t-test), and analysis of variance, were employed. The SPSS V.21 version software was used at the significant level of less than 0.01.<span lang="FA" dir="RTL" style="font-family:"Times New Roman","serif""></span></span></span><br> <span style="font-size:9pt"><span minion="" pro="" style="font-family:"><b>Results</b><b><span style="font-size:11.0pt"><span new="" roman="" style="font-family:" times="">: &nbsp;</span></span></b>There was a significant difference between females and males, with females having more negative mental health compared to males (p<0.002). The results suggested that 37 and 10 of the subjects have had mental health scores higher than 22 and 40, respectively. They have a risk of disorder based on the cut-off point of the questionnaire. Also, subjects&rsquo; mental health score distribution is displayed on the maps. The result showed that there is a significant difference between marital status and mental health score (p<0.01).</span></span><br> <span style="font-size:9pt"><span minion="" pro="" style="font-family:"><b>Conclusion</b><b><span style="font-size:11.0pt"><span new="" roman="" style="font-family:" times="">: &nbsp;</span></span></b>Given that females with negative mental health are geographically more likely to be found on the outskirts of the city and in centers and bases that suffer from social and welfare inequalities, measures should be taken to eliminate these inequalities.</span></span> Mental health, spatial distribution, geographical information system 41 51 http://jbrms.medilam.ac.ir/browse.php?a_code=A-10-542-2&slc_lang=en&sid=1 Jahanshah Mohammadzadeh j.mohammadzadeh@ilam.ac.ir 10031947532846008043 10031947532846008043 Yes Department of Psychology, Human Sciences and Literature Faculty, Ilam University, Ilam, Iran Seyed Mohammadreza Alavizadeh 10031947532846008044 10031947532846008044 No Department of Sport Psychology, Tehran Institute of Clinical Sport Neuropsychology, Tehran, Iran Reza Valizadeh 10031947532846008045 10031947532846008045 No Department of Psychiatry, Faculty of Medicine, Ilam Medical Science University, Ilam, Iran Hossein Mehdizadeh 10031947532846008046 10031947532846008046 No Department of Entrepreneurship and Rural Development, Ilam University Ilam, Iran Masoud Hatafi 10031947532846008047 10031947532846008047 No Department of Neurology, School of Medicine, Ilam Medical Science University, Ilam, Iran Ehsan Nazari 10031947532846008048 0009-0008-7798-0381 No Psychosocial Injuries Research Center, Ilam University of Medical Sciences, Ilam, Iran