All gcloud config fields involving region / location
Via https://cloud.google.com/sdk/gcloud/reference/topic/configurations
ai_platform/region
ai/region
artifacts/location
batch/location
builds/region
composer/location
compute/region
container_attached/location
container_aws/location
container_azure/location
container_bare_metal/location
container_vmware/location
datafusion/location
dataplex/location
dataproc/location
dataproc/region
deploy/region
eventarc/location
filestore/location
filestore/region
functions/region
gkebackup/location
healthcare/location
lifesciences/location
looker/region
media_asset/location
memcache/region
metastore/location
netapp/location
notebooks/location
privateca/location
redis/region
run/region
vmware/region
workstations/region