File mod_maxminddb.conf of Package apache2-mod_maxminddb

<IfModule mod_maxminddb.c>
	MaxMindDBEnable On

	# ###
	# specify database locations
	#
	MaxMindDBFile COUNTRY_DB /var/lib/GeoIP/GeoLite2-Country.mmdb
	MaxMindDBFile CITY_DB    /var/lib/GeoIP/GeoLite2-City.mmdb
	
	# ###
        # assign the lookup result to an environment variable
	#
	MaxMindDBEnv COUNTRY_CODE COUNTRY_DB/country/iso_code
	MaxMindDBEnv REGION_CODE  CITY_DB/subdivisions/0/iso_code

	# ###
	# ASN Database
	#
	#MaxMindDBFile ASN_DB /var/lib/GeoIP/GeoLite2-ASN.mmdb
	#
	#MaxMindDBEnv MM_ASN ASN_DB/autonomous_system_number
	#MaxMindDBEnv MM_ASORG ASN_DB/autonomous_system_organization

	# ###
	# City Database
	#
	#MaxMindDBEnv MM_COUNTRY_CODE CITY_DB/country/iso_code
	#MaxMindDBEnv MM_COUNTRY_NAME CITY_DB/country/names/en
	#MaxMindDBEnv MM_CITY_NAME CITY_DB/city/names/en
	#MaxMindDBEnv MM_LONGITUDE CITY_DB/location/longitude
	#MaxMindDBEnv MM_LATITUDE CITY_DB/location/latitude

	# ###
	# Connection-Type Database
	#
	#MaxMindDBFile CONNECTION_TYPE_DB /var/lib/GeoIP/GeoIP2-Connection-Type.mmdb
	#MaxMindDBEnv MM_CONNECTION_TYPE CONNECTION_TYPE_DB/connection_type

	# ###
	# Domain Database
	#
	#MaxMindDBFile DOMAIN_DB /var/lib/GeoIP/GeoIP2-Domain.mmdb
	#MaxMindDBEnv MM_DOMAIN DOMAIN_DB/domain

	# ###
	# ISP Database
	#
	#MaxMindDBFile ISP_DB /var/lib/GeoIP/GeoIP2-ISP.mmdb
	#
	#MaxMindDBEnv MM_ASN ISP_DB/autonomous_system_number
	#MaxMindDBEnv MM_ASORG ISP_DB/autonomous_system_organization
	#MaxMindDBEnv MM_ISP ISP_DB/isp
	#MaxMindDBEnv MM_ORG ISP_DB/organization
</IfModule>