Edit the list of countries from these theme php files:

1 – themes/wpresidence\libs\theme-admin.php

$countries = array(__("Afghanistan","wpestate"),__("Albania","wpestate"),__("Algeria","wpestate"),__(

2 – plugins\wpresidence-core\post-types\property.php

$countries = array(__("Afghanistan","wpestate"),__("Albania","wpestate"),__("Algeria","wpestate"),__(

3 – plugins/wpresidence-core\misc\plugin_help_functions.php