$ sudo apt-get update
$ sudo apt-get install dict-gazetteer2k-counties 

dict-gazetteer2k-counties is installed in your system.

Make ensure the dict-gazetteer2k-counties package were installed using the commands given below,

$ sudo dpkg-query -l | grep dict-gazetteer2k-counties *

You will get with dict-gazetteer2k-counties package name, version, architecture and description in a table

dict-gazetteer2k-counties package basic information: