diff --git a/middleware/config/joensuu_zone_areas_20230830.json b/middleware/config/joensuu_zone_areas_20230830.json
new file mode 100755
index 00000000..71bf3a3e
--- /dev/null
+++ b/middleware/config/joensuu_zone_areas_20230830.json
@@ -0,0 +1,16 @@
+{
+	"type": "FeatureCollection",
+	"name": "Aluetarkistusdata_Joensuu",
+	"crs": { "type": "name", "properties": { "name": "urn:ogc:def:crs:OGC:1.3:CRS84" } },
+	"features": [
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+	{ "type": "Feature", "properties": { "Zone": "F" }, "geometry": { "type": "MultiPolygon", "coordinates": [ [ [ [ 30.03301, 63.23743 ], [ 30.1378, 63.25172 ], [ 30.38539, 63.18668 ], [ 30.74034, 63.08984 ], [ 30.96105, 62.90451 ], [ 30.97077, 62.89535 ], [ 30.98608, 62.53218 ], [ 30.86937, 62.667 ], [ 30.5299, 62.97749 ], [ 30.39306, 63.05009 ], [ 30.12157, 63.10479 ], [ 29.99443, 63.11131 ], [ 29.90773, 63.14748 ], [ 29.94569, 63.23253 ], [ 30.00915, 63.23416 ], [ 30.03301, 63.23743 ] ] ] ] } },
+	{ "type": "Feature", "properties": { "Zone": "G" }, "geometry": { "type": "MultiPolygon", "coordinates": [ [ [ [ 30.01025, 63.35303 ], [ 30.2085, 63.33408 ], [ 30.20547, 63.3068 ], [ 30.31646, 63.25867 ], [ 30.38539, 63.18668 ], [ 30.1378, 63.25172 ], [ 30.03301, 63.23743 ], [ 29.91158, 63.28121 ], [ 29.95242, 63.34385 ], [ 30.01025, 63.35303 ] ] ] ] } }
+	]
+	}
+	
\ No newline at end of file
diff --git a/middleware/zones.js b/middleware/zones.js
index 0264d173..8facc7b7 100644
--- a/middleware/zones.js
+++ b/middleware/zones.js
@@ -11,6 +11,7 @@ function setup(prefix) {
     Hameenlinna: require('./config/hml_zone_areas_20230214.json'),
     Lappeenranta: require('./config/lpr_zone_areas_20220113.json'),
     OULU: require('./config/oulu_zone_areas_20230223.json'),
+    Joensuu: require('./config/joensuu_zone_areas_20230830.json'),
   };
 
   // precompute bounding boxes to optimize test speed