City is one of 3 important objects in location structure of OS Property. They are country, state and city. You should select city for properties if you want to show them at front-end.
Location (state/province, cities) can be imported through function: Location import at Control panel of OS Property, but in some cases, you must manage cities (add new/edit/publish/unpublished/remove), you can do it by using this feature. When you add new or edit city, you must select country and state/province from corresponding dropdown lists.
Notice: From version 2.7.2, OS Property allows you to enter multiple languages for cities.
As we mentioned in Installation part, you can import location data of your country through the "Location Import" tool at Dashboard of OS Property. The location data file can be found at OS Property package > Other > Location.
In case your country location data isn't supported by OS Property. You still can enter location data (Cities and States) of your country by 2 ways:
You can open example location file in OS Property package > Other > Location to do the same for your country location data file.