diff --git a/htdocs/samples/simple_region.html b/htdocs/samples/simple_region.html
new file mode 100644
index 0000000..94789e3
--- /dev/null
+++ b/htdocs/samples/simple_region.html
@@ -0,0 +1,25 @@
+<html>
+  <head>
+    <link rel="stylesheet" type="text/css" href="/css/c3.css">
+  </head>
+  <body>
+    <div id="chart"></div>
+
+    <script src="http://d3js.org/d3.v3.min.js" charset="utf-8"></script>
+    <script src="/js/c3.js"></script>
+    <script>
+      var chart = c3.generate({
+        bindto: '#chart',
+        data: {
+          columns: [
+            ['sample', 30, 200, 100, 400, 150, 250]
+          ],
+          regions: {
+            sample: [{start:1, end:3}]
+          }
+        },
+        regions: [{start:1, end:3}],
+      });
+    </script>
+  </body>
+</html>
diff --git a/htdocs/samples/timeseries_region.html b/htdocs/samples/timeseries_region.html
new file mode 100644
index 0000000..50d18dc
--- /dev/null
+++ b/htdocs/samples/timeseries_region.html
@@ -0,0 +1,34 @@
+<html>
+  <head>
+    <link rel="stylesheet" type="text/css" href="/css/c3.css">
+  </head>
+  <body>
+    <div id="chart"></div>
+
+    <script src="http://d3js.org/d3.v3.min.js" charset="utf-8"></script>
+    <script src="/js/c3.js"></script>
+    <script>
+      var chart = c3.generate({
+        bindto: '#chart',
+        data: {
+          x : 'date',
+          x_format : '%Y%m%d',
+          columns: [
+//            ['x', '2013-01-01', '2013-01-02', '2013-01-03', '2013-01-04', '2013-01-05', '2013-01-06'],
+            ['date', '20130101', '20130102', '20130103', '20130104', '20130105', '20130106'],
+            ['sample', 30, 200, 100, 400, 150, 250]
+          ],
+          regions: {
+            sample: [{start:'20130103', end:'20130105'}]
+          }
+        },
+        regions: [{start:'20130103', end:'20130105'}],
+        axis : {
+          x : {
+            type : 'timeseries'
+          }
+        }
+      });
+    </script>
+  </body>
+</html>
