// Need enable geolocation in Woocomerce settings

// Check if user is in Europe
function get_user_geo_continent () {
    $location = WC_Geolocation::geolocate_ip();
    $country = $location['country']; // Get the country code
    $WC_Countries = new WC_Countries(); // Get WC_Countries instance object
    $continent = $WC_Countries->get_continent_code_for_country( $country ); // Get continent
    return $continent;
}

// Do something only for users in Europe
if ( get_user_geo_continent() !== 'EU' ) { return; };