---
metadata:
- name: generator
content: Diplodoc Platform v5.39.1
alternate:
- https://yandex.com/dev/jsapi-v2-1/doc/en/v2-1/examples/cases/geo_object_collection.md
- https://yandex.com/dev/jsapi-v2-1/doc/ru/v2-1/examples/cases/geo_object_collection.md
---
> **Documentation Index:** Fetch the complete configuration index at https://yandex.com/dev/jsapi-v2-1/doc/en/llms.txt
# Adding geo objects to a collection
Open in CodeSandbox
Geo objects can be grouped into collections. You can create collections for group operations on geo objects.
For example, you can subscribe to events of objects or set their options.
{% list tabs %}
- index.html
```html
Examples. Adding geo objects to a collection
```
- geo_object_collection.js
```js
ymaps.ready(init);
function init() {
var myMap = new ymaps.Map(
"map",
{
center: [55.73, 37.75],
zoom: 9,
},
{
searchControlProvider: "yandex#search",
}
),
yellowCollection = new ymaps.GeoObjectCollection(null, {
preset: "islands#yellowIcon",
}),
blueCollection = new ymaps.GeoObjectCollection(null, {
preset: "islands#blueIcon",
}),
yellowCoords = [
[55.73, 37.75],
[55.81, 37.75],
],
blueCoords = [
[55.73, 37.65],
[55.81, 37.65],
];
for (var i = 0, l = yellowCoords.length; i < l; i++) {
yellowCollection.add(new ymaps.Placemark(yellowCoords[i]));
}
for (var i = 0, l = blueCoords.length; i < l; i++) {
blueCollection.add(new ymaps.Placemark(blueCoords[i]));
}
myMap.geoObjects.add(yellowCollection).add(blueCollection);
// You can subscribe to events of child elements through collections.
yellowCollection.events.add("click", function () {
alert("Yellow placemark clicked");
});
blueCollection.events.add("click", function () {
alert("Blue placemark clicked");
});
// You can set options of child elements through collections.
blueCollection.options.set("preset", "islands#blueDotIcon");
}
```
{% endlist %}