Developer Hub: Manage Your Scratch Orgs

Use the Developer Hub (Dev Hub) to create, delete, and manage your scratch orgs. After you set up your project on your local computer, authorize the Dev Hub org using the Salesforce CLI.
Available in: Salesforce Classic and Lightning Experience
Dev Hub available in: Enterprise, Performance, and Unlimited Editions
Scratch orgs available in: Developer, Enterprise, Group, and Professional Editions

Dev Hub Available in Government and Public Clouds

Government and public cloud customers can now enable Dev Hub in their production orgs. After Dev Hub is enabled, you can create scratch orgs.