Add or remove a Geography administrator in Microsoft 365 Multi-Geo
You can configure separate administrators for each Geography location that you have in your Tenant. These administrators will have access to the SharePoint and OneDrive settings that are specific to their Geography location.
Some services - such as the term store - are administered from the Primary Provisioned Geography location and replicated to Satellite Geography locations. The Geography admin for the Primary Provisioned Geography location has access to these, whereas Geography admins for Satellite Geography locations don't.
Global administrators and SharePoint administrators continue to have access to settings in the Primary Provisioned Geography location and all Satellite Geography locations.
Configuring Geography administrators
Configuring Geography admins requires the SharePoint PowerShell module.
Use Connect-SPOService to connect to the admin center of the Geography location where you want to add the Geography admin. (For example, Connect-SPOService https://ContosoEUR-admin.sharepoint.com.)
To view the existing Geography admins of a location, run Get-SPOGeoAdministrator
Adding a user as a Geography admin
To add a user as a Geography admin, run Add-SPOGeoAdministrator -UserPrincipalName <UPN>
To remove a user as a Geography Admin of a location, run Remove-SPOGeoAdministrator -UserPrincipalName <UPN>
Adding a group as a Geography admin
You can add a security group or a mail-enabled security group as a Geography admin. (Distribution groups and Microsoft 365 Groups aren't supported.)
To add a group as a Geography administrator, run Add-SPOGeoAdministrator -GroupAlias <alias>
To remove a group as a Geography administrator, run Remove-SPOGeoAdministrator -GroupAlias <alias>
Note that not all security groups have a group alias. If you want to add a security group that doesn't have an alias, run Get-MgGroup to retrieve a list of groups, find your security group's ObjectID, and then run:
Add-SPOGeoAdministrator -ObjectID <ObjectID>
To remove a group by using the ObjectID, run Remove-SPOGeoAdministrator -ObjectID <ObjectID>