PHP Obtenga la dirección IP
$clientIPAddress=$_SERVER['REMOTE_ADDR'];
Grepper
$clientIPAddress=$_SERVER['REMOTE_ADDR']; //You can use an api:
//Link to documentation: https://ip-get-geolocation.com/documentation/
$LocationArray = json_decode( file_get_contents('http://ip-get-geolocation.com/api/json/35.188.125.133'), true);
echo $LocationArray['country'];
echo $LocationArray['city'];
echo $LocationArray['region'];
echo $LocationArray['timezone'];