When you provision a Cloud Storage bucket, you must choose a location for the bucket. To reduce latency and increase availability, store your data close to the users and services that need it.
You can optionally create multiple buckets in your project, each with its own location setting. For details, see the Cloud Storage getting started guide for your platform ( iOS+ | Android+ | Web | Flutter | Unity | C++ ).
Be aware that once you provision a bucket, you cannot change its location setting.
In the Google Cloud Storage documentation, you can find more information
about location settings and
available Cloud Storage locations.
These locations are applicable to your default Cloud Storage bucket with the name
format PROJECT_ID.firebasestorage.app
Buckets in US-CENTRAL1
US-EAST1
US-WEST1