diff --git a/area.json b/area.json
new file mode 100644
index 0000000..72b61dc
--- /dev/null
+++ b/area.json
@@ -0,0 +1,51 @@
+{
+    "koeki": {
+	"name": "練習用",
+	"_bounds": [[38.895784, 139.817548], [38.889605, 139.822848]],
+	"bounds": null,
+	"map": "gsi",
+	"geojson": "data/koeki.geojson"
+    },
+    "team-1-2": {
+	"name": "松・梅",
+	"map":	"img/iimori.png",
+	"bounds": [[38.894762, 139.818293], [38.888378, 139.826495]],
+	"geojson": "data/team-1-2.geojson"
+    },
+    "team-3-4": {
+	"name": "桜・藤",
+	"map":	"img/iimori.png",
+	"bounds": [[38.894762, 139.818293], [38.888378, 139.826495]],
+	"geojson": "data/team-3-4.geojson"
+    },
+    "team-5-6": {
+	"name": "菖蒲・牡丹",
+	"map":	"img/iimori.png",
+	"bounds": [[38.894762, 139.818293], [38.888378, 139.826495]],
+	"geojson": "data/team-5-6.geojson"
+    },
+    "team-7-8": {
+	"name": "萩・芒",
+	"map":	"img/iimori.png",
+	"bounds": [[38.894762, 139.818293], [38.888378, 139.826495]],
+	"geojson": "data/team-7-8.geojson"
+    },
+    "team-9-10": {
+	"name": "菊・紅葉",
+	"map":	"img/iimori.png",
+	"bounds": [[38.894762, 139.818293], [38.888378, 139.826495]],
+	"geojson": "data/team-9-10.geojson"
+    },
+    ".yuza": {
+	"name": "遊佐",
+	"map":	"img/yuza.png",
+	"bounds": [[39.017937, 139.93102], [39.013269, 139.937029]],
+	"geojson": "data/yuza.geojson"
+    },
+        "nakamachi": {
+	"name": "中町",
+	"map":	"osm",
+	"bounds": [[38.920708, 139.832353], [38.913078, 139.842159]],
+	"geojson": "data/uMap_0625.geojson"
+    }
+}