# Namespaces

{% hint style="info" %}
Namespaces used to be called 'resource pools' prior to Portainer CE 2.6.0.
{% endhint %}

In Kubernetes, a single physical cluster can support multiple virtual clusters. These are known as namespaces. 

<figure><img src="https://content.gitbook.com/content/MdgxA76kWxcRmwybM8Ft/blobs/QpTJqlJaFNxBNxRmy5Jf/2.24.0-kubernetes-namespaces-list.png" alt=""><figcaption></figcaption></figure>

You can add, remove or manage namespaces in Portainer.

{% content-ref url="namespaces/add" %}
[add](https://docs.portainer.io/sts/user/kubernetes/namespaces/add)
{% endcontent-ref %}

{% content-ref url="namespaces/manage" %}
[manage](https://docs.portainer.io/sts/user/kubernetes/namespaces/manage)
{% endcontent-ref %}

{% content-ref url="namespaces/access" %}
[access](https://docs.portainer.io/sts/user/kubernetes/namespaces/access)
{% endcontent-ref %}

{% content-ref url="namespaces/remove" %}
[remove](https://docs.portainer.io/sts/user/kubernetes/namespaces/remove)
{% endcontent-ref %}