---
title: "Display a Marker on the map using OpenLayers | Openlayers"
description: "Add the default marker to your map using OpenLayers."
---
> For AI agents: a documentation index is available at [/llms.txt](https://docs.maptiler.com/llms.txt). Markdown versions of all pages are available by appending .md to any URL.
# Display a Marker on the map using OpenLayers
This tutorial shows how to add the default marker to the map using OpenLayers.
1. Copy the following code, paste it into your favorite text editor, and save it as a `.html` file.
```html
Display a marker
```
Check out the step-by-step tutorial [How to use OpenLayers](https://docs.maptiler.com/openlayers/examples/how-to-use-openlayers/)
1. Install the npm package.
```bash
npm install --save ol
```
2. Include the CSS file.
If you have a bundler that can handle CSS, you can [`import`](#) the CSS or include it with a [``](#) in the head of the document via the CDN
```js
import "ol/ol.css";
```
```html
```
3. Include the following code in your JavaScript file (Example: main.js).
```js
import Map from 'ol/Map.js';
import View from 'ol/View.js';
import TileLayer from 'ol/layer/Tile.js';
import TileJSON from 'ol/source/TileJSON.js';
import Attribution from 'ol/control/Attribution.js';
import { defaults as defaultControls } from 'ol/control/defaults.js';
import { fromLonLat } from 'ol/proj.js';
const key = 'YOUR_MAPTILER_API_KEY_HERE';
const attribution = new Attribution({
collapsible: false,
});
const source = new TileJSON({
url: `https://api.maptiler.com/maps/streets-v4/tiles.json?key=${key}`, // source URL
tileSize: 512,
crossOrigin: 'anonymous'
});
const map = new Map({
layers: [
new TileLayer({
source: source
})
],
controls: defaultControls({attribution: false}).extend([attribution]),
target: 'map',
view: new View({
constrainResolution: true,
center: fromLonLat([12.550343, 55.665957]), // starting position [lng, lat]
zoom: 10 // starting zoom
})
});
```
1. Replace `YOUR_MAPTILER_API_KEY_HERE` with [your own API key](https://cloud.maptiler.com/account/keys/). Make sure to [secure the key](https://docs.maptiler.com/guides/credentials/api-key/#secure-key) before you publish it.
2. The next is up to you. You can center your map wherever you desire (modifying the `starting position`) and set an appropriate zoom level (modifying the `starting zoom`) to match your users’ needs. Additionally, you can change the map’s look (by updating the `source URL`); choose from a range of visually appealing map styles from our extensive [MapTiler standard maps](https://cloud.maptiler.com/maps/), or create your own to truly differentiate your application.
1. To create a new marker using a Vector layer. The layer’s data source will be a feature set. Create a feature of the type point at the Lng/Lat coordinates of the marker. Create a Style to load the marker image and finally add it to the current map using .addLayer() function. Download the [sample marker image](./marker-icon.png)
```js
const layer = new ol.layer.Vector({
source: new ol.source.Vector({
features: [
new ol.Feature({
geometry: new ol.geom.Point(ol.proj.fromLonLat([12.550343, 55.665957])),
})
]
}),
style: new ol.style.Style({
image: new ol.style.Icon({
anchor: [0.5, 1],
crossOrigin: 'anonymous',
src: 'marker-icon.png',
})
})
});
map.addLayer(layer);
```
1. Import the new modules needed to add the new functionality.
```js
import VectorLayer from 'ol/layer/Vector.js';
import VectorSource from 'ol/source/Vector.js';
import Point from 'ol/geom/Point.js';
import Style from 'ol/style/Style.js';
import Icon from 'ol/style/Icon.js';
import Feature from 'ol/Feature.js';
```
2. To create a new marker using a Vector layer. The layer’s data source will be a feature set. Create a feature of the type point at the Lng/Lat coordinates of the marker. Create a Style to load the marker image and finally add it to the current map using .addLayer() function. Download the [sample marker image](./marker-icon.png)
```js
const layer = new VectorLayer({
source: new VectorSource({
features: [
new Feature({
geometry: new Point(fromLonLat([12.550343, 55.665957])),
})
]
}),
style: new Style({
image: new Icon({
anchor: [0.5, 1],
crossOrigin: 'anonymous',
src: 'marker-icon.png',
})
})
});
map.addLayer(layer);
```
### Complete source code
```html
Display a map
```
### Complete source code
```bash
npm install --save ol
```
#### main.js
```js
import Map from 'ol/Map.js';
import View from 'ol/View.js';
import TileLayer from 'ol/layer/Tile.js';
import VectorLayer from 'ol/layer/Vector.js';
import VectorSource from 'ol/source/Vector.js';
import TileJSON from 'ol/source/TileJSON.js';
import Point from 'ol/geom/Point.js';
import Style from 'ol/style/Style.js';
import Icon from 'ol/style/Icon.js';
import Attribution from 'ol/control/Attribution.js';
import Feature from 'ol/Feature.js';
import { defaults as defaultControls } from 'ol/control/defaults.js';
import { fromLonLat } from 'ol/proj.js';
import 'ol/ol.css';
const key = 'YOUR_MAPTILER_API_KEY_HERE';
const attribution = new Attribution({
collapsible: false,
});
const source = new TileJSON({
url: `https://api.maptiler.com/maps/streets-v4/tiles.json?key=${key}`,
tileSize: 512,
crossOrigin: 'anonymous'
});
const map = new Map({
layers: [
new TileLayer({
source: source
})
],
controls: defaultControls({attribution: false}).extend([attribution]),
target: 'map',
view: new View({
constrainResolution: true,
center: fromLonLat([12.550343, 55.665957]),
zoom: 10
})
});
const layer = new VectorLayer({
source: new VectorSource({
features: [
new Feature({
geometry: new Point(fromLonLat([12.550343, 55.665957])),
})
]
}),
style: new Style({
image: new Icon({
anchor: [0.5, 1],
crossOrigin: 'anonymous',
src: 'marker-icon.png',
})
})
});
map.addLayer(layer);
```
#### index.html
```html
Display a Marker on the map using OpenLayers | NPM example
```
#### style.css
```css
body {
margin: 0;
padding: 0;
}
#map {
position: absolute;
top: 0;
right: 0;
bottom: 0;
left: 0;
}
```
## Related examples
### [How to use OpenLayers](https://docs.maptiler.com/openlayers/examples/how-to-use-openlayers/)
Tutorials
Create and display OpenLayers maps on web pages.
### [Point GeoJSON Layer](https://docs.maptiler.com/openlayers/examples/geojson-points/)
Tutorials
Add Point GeoJSON data to OpenLayers maps easily.
