Where are AEM cloud servers physically located?

[TB3dock]

licencing means we are restricted when we can host sites. (country and state)

Where can we find the list of regions and locations Adobe offers for its cloud service?

Can the primary location be chosen?

[Nitin_laad]

@TB3dock you can get a list of the cloud region/s on while adding the new environment. Refer the below link for more details - 

Managing Environments | Adobe Experience Manager