diff --git a/samples/boundaries-choropleth/README.md b/samples/boundaries-choropleth/README.md
new file mode 100644
index 00000000..183237d4
--- /dev/null
+++ b/samples/boundaries-choropleth/README.md
@@ -0,0 +1,40 @@
+# Google Maps JavaScript Sample
+
+This sample is generated from @googlemaps/js-samples located at
+https://github.com/googlemaps-samples/js-api-samples.
+
+## Setup
+
+### Before starting run:
+
+`npm i`
+
+### Run an example on a local web server
+
+`cd samples/boundaries-choropleth`
+`npm start`
+
+### Build an individual example
+
+`cd samples/boundaries-choropleth`
+`npm run build`
+
+From 'samples':
+
+`npm run build --workspace=boundaries-choropleth/`
+
+### Build all of the examples.
+
+From 'samples':
+
+`npm run build-all`
+
+### Run lint to check for problems
+
+`cd samples/boundaries-choropleth`
+`npx eslint index.ts`
+
+## Feedback
+
+For feedback related to this sample, please open a new issue on
+[GitHub](https://github.com/googlemaps-samples/js-api-samples/issues).
diff --git a/samples/boundaries-choropleth/index.html b/samples/boundaries-choropleth/index.html
new file mode 100644
index 00000000..8de53214
--- /dev/null
+++ b/samples/boundaries-choropleth/index.html
@@ -0,0 +1,22 @@
+
+
+
+
+
+ Choropleth Map
+
+
+
+
+
+
+
+
+
+
+
diff --git a/samples/boundaries-choropleth/index.ts b/samples/boundaries-choropleth/index.ts
new file mode 100644
index 00000000..8fb59b08
--- /dev/null
+++ b/samples/boundaries-choropleth/index.ts
@@ -0,0 +1,108 @@
+/**
+ * @license
+ * Copyright 2025 Google LLC. All Rights Reserved.
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+// [START maps_boundaries_choropleth]
+async function initMap() {
+ // Request needed libraries.
+ (await google.maps.importLibrary('maps')) as google.maps.MapsLibrary;
+
+ // Get the gmp-map element.
+ const mapElement = document.querySelector(
+ 'gmp-map'
+ ) as google.maps.MapElement;
+
+ // Get the inner map.
+ const innerMap = mapElement.innerMap;
+
+ const featureLayer = innerMap.getFeatureLayer(
+ google.maps.FeatureType.ADMINISTRATIVE_AREA_LEVEL_1
+ );
+
+ // [START maps_boundaries_choropleth_style_function]
+ featureLayer.style = (featureStyleFunctionOptions) => {
+ const placeFeature =
+ featureStyleFunctionOptions.feature as google.maps.PlaceFeature;
+ const population = states[placeFeature.placeId];
+
+ let fillColor;
+ // Specify colors using any of the following:
+ // * Named ('green')
+ // * Hexadecimal ('#FF0000')
+ // * RGB ('rgb(0, 0, 255)')
+ // * HSL ('hsl(60, 100%, 50%)')
+
+ if (population < 2000000) {
+ fillColor = 'green';
+ } else if (population < 5000000) {
+ fillColor = 'red';
+ } else if (population < 10000000) {
+ fillColor = 'blue';
+ } else if (population < 40000000) {
+ fillColor = 'yellow';
+ }
+ return {
+ fillColor,
+ fillOpacity: 0.5,
+ };
+ };
+ // [END maps_boundaries_choropleth_style_function]
+ // Population data by state.
+ const states = {
+ 'ChIJdf5LHzR_hogR6czIUzU0VV4': 5039877, // Alabama
+ 'ChIJG8CuwJzfAFQRNduKqSde27w': 732673, // Alaska
+ 'ChIJaxhMy-sIK4cRcc3Bf7EnOUI': 7276316, // Arizona
+ 'ChIJYSc_dD-e0ocR0NLf_z5pBaQ': 3025891, // Arkansas
+ 'ChIJPV4oX_65j4ARVW8IJ6IJUYs': 39237836, // California
+ 'ChIJt1YYm3QUQIcR_6eQSTGDVMc': 5812069, // Colorado
+ 'ChIJpVER8hFT5okR5XBhBVttmq4': 3605597, // Connecticut
+ 'ChIJO9YMTXYFx4kReOgEjBItHZQ': 1003384, // Delaware
+ 'ChIJvypWkWV2wYgR0E7HW9MTLvc': 21781128, // Florida
+ 'ChIJV4FfHcU28YgR5xBP7BC8hGY': 10799566, // Georgia
+ 'ChIJBeB5Twbb_3sRKIbMdNKCd0s': 1441553, // Hawaii
+ 'ChIJ6Znkhaj_WFMRWIf3FQUwa9A': 1900923, // Idaho
+ 'ChIJGSZubzgtC4gRVlkRZFCCFX8': 12671469, // Illinois
+ 'ChIJHRv42bxQa4gRcuwyy84vEH4': 6805985, // Indiana
+ 'ChIJGWD48W9e7ocR2VnHV0pj78Y': 3193079, // Iowa
+ 'ChIJawF8cXEXo4cRXwk-S6m0wmg': 2934582, // Kansas
+ 'ChIJyVMZi0xzQogR_N_MxU5vH3c': 4509394, // Kentucky
+ 'ChIJZYIRslSkIIYRA0flgTL3Vck': 4624047, // Louisiana
+ 'ChIJ1YpTHd4dsEwR0KggZ2_MedY': 1372247, // Maine
+ 'ChIJ35Dx6etNtokRsfZVdmU3r_I': 6165129, // Maryland
+ 'ChIJ_b9z6W1l44kRHA2DVTbQxkU': 6984723, // Massachussetts
+ 'ChIJEQTKxz2qTE0Rs8liellI3Zc': 10050811, // Michigan
+ 'ChIJmwt4YJpbWE0RD6L-EJvJogI': 5707390, // Minnesota
+ 'ChIJGdRK5OQyKIYR2qbc6X8XDWI': 2949965, // Mississippi
+ 'ChIJfeMiSNXmwIcRcr1mBFnEW7U': 6168187, // Misssouri
+ 'ChIJ04p7LZwrQVMRGGwqz1jWcfU': 1104271, // Montana
+ 'ChIJ7fwMtciNk4cRxArzDwyQJ6E': 1963692, // Nebraska
+ 'ChIJcbTe-KEKmYARs5X8qooDR88': 3143991, // Nevada
+ 'ChIJ66bAnUtEs0wR64CmJa8CyNc': 1388992, // New Hampshire
+ 'ChIJn0AAnpX7wIkRjW0_-Ad70iw': 9267130, // New Jersey
+ 'ChIJqVKY50NQGIcRup41Yxpuv0Y': 2115877, // New Mexico
+ 'ChIJqaUj8fBLzEwRZ5UY3sHGz90': 19835913, // New York
+ 'ChIJgRo4_MQfVIgRGa4i6fUwP60': 10551162, // North Carolina
+ 'ChIJY-nYVxKD11IRyc9egzmahA0': 774948, // North Dakota
+ 'ChIJwY5NtXrpNogRFtmfnDlkzeU': 11780017, // Ohio
+ 'ChIJnU-ssRE5rIcRSOoKQDPPHF0': 3986639, // Oklahoma
+ 'ChIJVWqfm3xuk1QRdrgLettlTH0': 4246155, // Oregon
+ 'ChIJieUyHiaALYgRPbQiUEchRsI': 12964056, // Pennsylvania
+ 'ChIJD9cOYhQ15IkR5wbB57wYTh4': 1095610, // Rhode Island
+ 'ChIJ49ExeWml-IgRnhcF9TKh_7k': 5190705, // South Carolina
+ 'ChIJpTjphS1DfYcRt6SGMSnW8Ac': 895376, // South Dakota
+ 'ChIJA8-XniNLYYgRVpGBpcEgPgM': 6975218, // Tennessee
+ 'ChIJSTKCCzZwQIYRPN4IGI8c6xY': 29527941, // Texas
+ 'ChIJzfkTj8drTIcRP0bXbKVK370': 3337975, // Utah
+ 'ChIJ_87aSGzctEwRtGtUNnSJTSY': 645570, // Vermont
+ 'ChIJzbK8vXDWTIgRlaZGt0lBTsA': 8642274, // Virginia
+ 'ChIJ-bDD5__lhVQRuvNfbGh4QpQ': 7738692, // Washington
+ 'ChIJRQnL1KVUSogRQzrN3mjHALs': 1782959, // West Virginia
+ 'ChIJr-OEkw_0qFIR1kmG-LjV1fI': 5895908, // Wisconsin
+ 'ChIJaS7hSDTiXocRLzh90nkisCY': 578803, // Wyoming
+ };
+}
+
+initMap();
+// [END maps_boundaries_choropleth]
diff --git a/samples/boundaries-choropleth/package.json b/samples/boundaries-choropleth/package.json
new file mode 100644
index 00000000..f04f31f4
--- /dev/null
+++ b/samples/boundaries-choropleth/package.json
@@ -0,0 +1,14 @@
+{
+ "name": "@js-api-samples/boundaries-choropleth",
+ "version": "1.0.0",
+ "scripts": {
+ "build": "tsc && bash ../jsfiddle.sh boundaries-choropleth && bash ../app.sh boundaries-choropleth && bash ../docs.sh boundaries-choropleth && npm run build:vite --workspace=. && bash ../dist.sh boundaries-choropleth",
+ "test": "tsc && npm run build:vite --workspace=.",
+ "start": "tsc && vite build --base './' && vite",
+ "build:vite": "vite build --base './'",
+ "preview": "vite preview"
+ },
+ "dependencies": {
+
+ }
+}
diff --git a/samples/boundaries-choropleth/style.css b/samples/boundaries-choropleth/style.css
new file mode 100644
index 00000000..bae1997d
--- /dev/null
+++ b/samples/boundaries-choropleth/style.css
@@ -0,0 +1,25 @@
+/**
+ * @license
+ * Copyright 2025 Google LLC. All Rights Reserved.
+ * SPDX-License-Identifier: Apache-2.0
+ */
+/* [START maps_boundaries_choropleth] */
+/*
+ * Always set the map height explicitly to define the size of the div element
+ * that contains the map.
+ */
+gmp-map {
+ height: 100%;
+}
+
+/*
+ * Optional: Makes the sample page fill the window.
+ */
+html,
+body {
+ height: 100%;
+ margin: 0;
+ padding: 0;
+}
+
+/* [END maps_boundaries_choropleth] */
\ No newline at end of file
diff --git a/samples/boundaries-choropleth/tsconfig.json b/samples/boundaries-choropleth/tsconfig.json
new file mode 100644
index 00000000..366aabb0
--- /dev/null
+++ b/samples/boundaries-choropleth/tsconfig.json
@@ -0,0 +1,17 @@
+{
+ "compilerOptions": {
+ "module": "esnext",
+ "target": "esnext",
+ "strict": true,
+ "noImplicitAny": false,
+ "lib": [
+ "es2015",
+ "esnext",
+ "es6",
+ "dom",
+ "dom.iterable"
+ ],
+ "moduleResolution": "Node",
+ "jsx": "preserve"
+ }
+}