Who can  perform the task
If you are an Organization Admin:You can delete a site you administer.
If you are not an Organization Admin:You can’t perform the task.
When a site is deleted
All users’ access to the site is revoked. Users will not be deleted, but their access to the devices of the site becomes invalid.
All sharing links of the site are disabled.
Devices and their recordings won’t be deleted along with the site. However, they aren’t grouped under a site.
Archived videos associated with the site will not be deleted. However, you can’t search the archived videos by the site.