Delete a space
To delete a space:
Log into the web app.
In the top-left corner, click the organization name, then click Organization settings & subscriptions. The Subscription overview page is displayed with a list of the space(s) and space licenses belonging to your organization.
Navigate to the Spaces tab.
Click on the three-dotted icon on the right side of the space you want to remove, and select Delete.
NOTE: All content in the space will be deleted. Make sure to back up your data using the Contentful CLI tool for data exporting.