You can also choose which administrators in the account should have the right to create spaces by editing their admin permissions.
Click your profile image in the workspace's upper right-hand corner.
Select Settings from the drop-down.
Click Security in the left panel.
Scroll to the Create Spaces section.
Select one of the options to designate who can create spaces in the account:
Owners and all administrators with the permission
Regular users, owners, and all administrators with the permission
Click Save changes.