Display Maxmind shortcodes in your own language

functions.php

<?php
/**
* In Geotargeting Pro plugin you can print countries and states using shortcodes
* These are printed in English by default but Maxmind provide more languages
* Get WordPress Geotargeting plugin in https://timersys.com/plugins/geotargeting-pro/
* Cities languages are only included in premium databases or insights services ( https://www.maxmind.com/en/geoip2-precision-services&rld=timersys )
* Avilable languages:
* de	German	
* en	English	English names may still include accented characters if that is the accepted spelling in English. In other words, English does not mean ASCII.
* es	Spanish	
* fr 	French	
* ja	Japanese	
* pt-BR	Brazilian Portuguese	
* ru	Russian	
* zh-CN	Chinese (Simplified)	
*/


add_filter( 'geot/shortcodes/country_name', 'my_custom_country_shortcode', 10, 2);
function my_custom_country_shortcode( $country_name, $country ) {
    return isset( $country->names ) ? $country->names['ja'] : $country->name;
}

add_filter( 'geot/shortcodes/state_name', 'my_custom_state_shortcode', 10, 2);
function my_custom_state_shortcode( $state_name, $state ) {
    return isset( $state->names ) ? $state->names['ja'] : $state->name;
}

/* $city->names only available premium databases or insights services ( https://www.maxmind.com/en/geoip2-precision-services&rld=timersys ) */
add_filter( 'geot/shortcodes/city_name', 'my_custom_city_shortcode') ;
function my_custom_city_shortcode( $city ) {
    return isset( $city->names ) ? $city->names['ja'] : $city;
}