Dear
In Real estate manager
ordasoft.com/Real-Estate-Manager-Software-Joomla.html
City, Country, Region - you now may show as select list or edit field.
On your site
{your site}/components/com_realestatemanager/
You have files
regions_and_citys.txt
countrys_and_regions.txt
You need fill them as you need.
Or in Real estate Manager settings -> Administrator Settings
in "How fields Country, Region and City use", please set "YES"
Regards
Andrew
Ordasoft team