> For the complete documentation index, see [llms.txt](https://docs.portainer.io/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.portainer.io/user/kubernetes/namespaces.md).

# Namespaces

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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="/files/emkgJ9GkTka5kt6L3H6c" alt=""><figcaption></figcaption></figure>

You can add, remove or manage namespaces in Portainer.

{% content-ref url="/pages/-MhzhuqTffWGy0XnxcUw" %}
[Add a new namespace](/user/kubernetes/namespaces/add.md)
{% endcontent-ref %}

{% content-ref url="/pages/-MkG1rtWJcrEEjmXbDea" %}
[Manage a namespace](/user/kubernetes/namespaces/manage.md)
{% endcontent-ref %}

{% content-ref url="/pages/-MhziuV8FVrRGQ1zmRlt" %}
[Manage access to a namespace](/user/kubernetes/namespaces/access.md)
{% endcontent-ref %}

{% content-ref url="/pages/-MhzjKRzIG2OiEa7fDP0" %}
[Remove a namespace](/user/kubernetes/namespaces/remove.md)
{% endcontent-ref %}