diff --git a/templates/public/dashboard.html.twig b/templates/public/dashboard.html.twig
index 992c006..b955589 100644
--- a/templates/public/dashboard.html.twig
+++ b/templates/public/dashboard.html.twig
@@ -60,12 +60,28 @@
             }
 
             const postalCodes = [{% for stat in stats %}'{{ stat.zone }}'{% if not loop.last %}, {% endif %}{% endfor %}];
-            
+             {% verbatim %}
+
+            // exemple de recherche de villes par leur code postal: 
+            // [out:json][timeout:25];
+            // (   
+            //    {{geocodeArea:76200}}->.searchArea_1;
+            // nwr["boundary"="administrative"]["admin_level"="8"]
+            //  ["name"](area.searchArea_1);
+            // {{geocodeArea:76000}}->.searchArea_2;
+            // nwr["boundary"="administrative"]["admin_level"="8"]["name"](area.searchArea_2);
+            // ) ;
+            // out center;
+       {% endverbatim %}
+
             console.log(postalCodes);
             let postalLines = ``;
             postalCodes.forEach(code => {
                 if (/^\d+$/.test(code)) {
-                    postalLines += `\nnode[place=city]["addr:postcode"=${code}][name];`
+
+                    {% verbatim %}
+                    postalLines += `\n{{geocodeArea:${code}}}->.searchArea_${code};\nnwr[admin_level=8]["name"](area.searchArea_${code});`
+                    {% endverbatim %}
                 }
             });
             const query = `[out:json][timeout:25];