NZCity is a field for tracking New Zealand cities. This field is available in a United States (US) and New Zealand (NZ) databases. If you're importing cities from the US, use the field 'AddrCity'. If you're importing cities from NZ, use the field NZCity.
NOTE: To check the default country in your database:
- Go to Config > General
- The Country is listed to the right of the Country drop down