Wordpress Get User Query

vendor_city_state.php

$country_m =  $_REQUEST['country']; 
$statu_m =  $_REQUEST['state']; 
$city_m =  $_REQUEST['city']; 

$query_args = array( 
	  'role' => 'vendor',
      'meta_query' => array(	  			
	  			'relation' => 'AND',
					array(
						'key' => 'country',
					    'value' => $country_m,
					    'compare' => '=',
					),
					array(
						'key' => 'state',
					    'value' => $statu_m,
					    'compare' => '=',
					),
					array(
						'key' => 'city',
						'value' => $city_m,
					    'compare' => '=',
					)
		) 
	);
$users = new WP_User_Query($query_args);

Referance: http://mattvarone.com/wordpress/list-users-with-wp_user_query/