createFleetLocations
Adds remote locations to an EC2 and begins populating the new locations with instances. The new instances conform to the fleet's instance type, auto-scaling, and other configuration settings.
You can't add remote locations to a fleet that resides in an Amazon Web Services Region that doesn't support multiple locations. Fleets created prior to March 2021 can't support multiple locations.
To add fleet locations, specify the fleet to be updated and provide a list of one or more locations.
If successful, this operation returns the list of added locations with their status set to NEW. Amazon GameLift Servers initiates the process of starting an instance in each added location. You can track the status of each new location by monitoring location creation events using DescribeFleetEvents.
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Amazon GameLift Servers service locations for managed hosting.