# Collections
Collections are a way to group spaces together to make it easier for you to organize your content. With collections, you can:
* organize your content by similar topics or ideas
* manage space [permissions](https://gitbook.com/docs/collaboration/member-management/permissions-and-inheritance) at scale by allowing you to override the organization-level defaults.
### Create a collection
Click the **+** button next to the **Spaces** header in the sidebar to create a new collection. You can also create a collection or space within another collection from the collection’s main page.
### Move a collection
You can move a collection by opening the **Actions menu** , selecting **Move collection to…** and choosing a destination. Alternatively, you can drag and drop collections in the sidebar to move or reorder them.\
\
You can move collections into other collections — or even to other organizations, if you have an [admin role](https://gitbook.com/docs/collaboration/member-management/roles) in both.
### Nested collections
You can nest collections inside each other, creating a collection -> sub-collection -> space hierarchy.
Open a collection and you can click **New collection** from the collection’s main page to create a sub-collection.
To move one collection into another, click **Move collection to…** from the collection’s **Action menu** and then choose its new location. Alternatively, you can drag and drop the collection to its new location.
### How to delete a collection
You can delete a collection by opening its **Actions menu** and selecting **Delete**.
{% hint style="danger" %}
**Deleting a collection is final**, but spaces inside a deleted collection will move to the **Trash** and can be restored up to seven days after deletion. You can access the Trash from the bottom of the sidebar.
{% endhint %}
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