The importing procedure is same as importing attendee database in EventX.
1) Put Country/Region and City into two separate column.
2) By default, Country and City will be mapped to "Country/Region" and "City" respectively.
3) You can find the imported "Country/Region" and "City" in the Attendee List.
4) You can also view or edit Country/Region and City in the attendee's detail page.
Related article: Import attendees into EventX