The Data provider is only required if you want to use the country detection!
Follow the official instructions for obtaining and updating the GeoIP database.
Store the database file at the location of your choice, the default location used by geoipupdate is
Set the path to the database file in your
parameters.yml to enable the geo support in Pimcore:
To keep the BC, I18n also will check the project path
var/config/GeoLite2-City.mmdb for legacy reasons.